A140635 - cp's OEIS frontend

A140635 Smallest positive integer having the same number of divisors as n.

n	a(n)
1	1
2	2
3	2
4	4
5	2
6	6
7	2
8	6
9	4
10	6
11	2
12	12
13	2
14	6
15	6
16	16
17	2
18	12
19	2
20	12
21	6
22	6
23	2
24	24
25	4
26	6
27	6
28	12
29	2
30	24
31	2
32	12
33	6
34	6
35	6
36	36
37	2
38	6
39	6
40	24
41	2
42	24
43	2
44	12
45	12
46	6
47	2
48	48
49	4
50	12
51	6
52	12
53	2
54	24
55	6
56	24
57	6
58	6
59	2
60	60
61	2
62	6
63	12
64	64
65	6
66	24
67	2
68	12
69	6
70	24
71	2
72	60
73	2
74	6
75	12
76	12
77	6
78	24
79	2
80	48
81	16
82	6
83	2
84	60
85	6
86	6
87	6
88	24
89	2

[1, 2, 2, 4, 2, 6, 2, 6, 4, 6, 2, 12, 2, 6, 6, 16, 2, 12, 2, 12, 6, 6, 2, 24, 4, 6, 6, 12, 2, 24, 2, 12, 6, 6, 6, 36, 2, 6, 6, 24, 2, 24, 2, 12, 12, 6, 2, 48, 4, 12, 6, 12, 2, 24, 6, 24, 6, 6, 2, 60, 2, 6, 12, 64, 6, 24, 2, 12, 6, 24, 2, 60, 2, 6, 12, 12, 6, 24, 2, 48, 16, 6, 2, 60, 6, 6, 6, 24, 2]

cp's OEIS Frontend

A140635 Smallest positive integer having the same number of divisors as n.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	4
5	2
6	6
7	2
8	6
9	4
10	6
11	2
12	12
13	2
14	6
15	6
16	16
17	2
18	12
19	2
20	12
21	6
22	6
23	2
24	24
25	4
26	6
27	6
28	12
29	2
30	24
31	2
32	12
33	6
34	6
35	6
36	36
37	2
38	6
39	6
40	24
41	2
42	24
43	2
44	12
45	12
46	6
47	2
48	48
49	4
50	12
51	6
52	12
53	2
54	24
55	6
56	24
57	6
58	6
59	2
60	60
61	2
62	6
63	12
64	64
65	6
66	24
67	2
68	12
69	6
70	24
71	2
72	60
73	2
74	6
75	12
76	12
77	6
78	24
79	2
80	48
81	16
82	6
83	2
84	60
85	6
86	6
87	6
88	24
89	2

n	a(n)
1	1
2	2
3	2
4	4
5	2
6	6
7	2
8	6
9	4
10	6
11	2
12	12
13	2
14	6
15	6
16	16
17	2
18	12
19	2
20	12
21	6
22	6
23	2
24	24
25	4
26	6
27	6
28	12
29	2
30	24
31	2
32	12
33	6
34	6
35	6
36	36
37	2
38	6
39	6
40	24
41	2
42	24
43	2
44	12
45	12
46	6
47	2
48	48
49	4
50	12
51	6
52	12
53	2
54	24
55	6
56	24
57	6
58	6
59	2
60	60
61	2
62	6
63	12
64	64
65	6
66	24
67	2
68	12
69	6
70	24
71	2
72	60
73	2
74	6
75	12
76	12
77	6
78	24
79	2
80	48
81	16
82	6
83	2
84	60
85	6
86	6
87	6
88	24
89	2

n	a(n)
1	1
2	2
3	2
4	4
5	2
6	6
7	2
8	6
9	4
10	6
11	2
12	12
13	2
14	6
15	6
16	16
17	2
18	12
19	2
20	12
21	6
22	6
23	2
24	24
25	4
26	6
27	6
28	12
29	2
30	24
31	2
32	12
33	6
34	6
35	6
36	36
37	2
38	6
39	6
40	24
41	2
42	24
43	2
44	12
45	12
46	6
47	2
48	48
49	4
50	12
51	6
52	12
53	2
54	24
55	6
56	24
57	6
58	6
59	2
60	60
61	2
62	6
63	12
64	64
65	6
66	24
67	2
68	12
69	6
70	24
71	2
72	60
73	2
74	6
75	12
76	12
77	6
78	24
79	2
80	48
81	16
82	6
83	2
84	60
85	6
86	6
87	6
88	24
89	2