A066446 - cp's OEIS frontend

A066446 Number of unordered divisor pairs of n.

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	6
7	1
8	6
9	3
10	6
11	1
12	15
13	1
14	6
15	6
16	10
17	1
18	15
19	1
20	15
21	6
22	6
23	1
24	28
25	3
26	6
27	6
28	15
29	1
30	28
31	1
32	15
33	6
34	6
35	6
36	36
37	1
38	6
39	6
40	28
41	1
42	28
43	1
44	15
45	15
46	6
47	1
48	45
49	3
50	15
51	6
52	15
53	1
54	28
55	6
56	28
57	6
58	6
59	1
60	66
61	1
62	6
63	15
64	21
65	6
66	28
67	1
68	15
69	6
70	28
71	1
72	66
73	1
74	6
75	15
76	15
77	6
78	28
79	1
80	45
81	10
82	6
83	1
84	66
85	6
86	6
87	6
88	28

[0, 1, 1, 3, 1, 6, 1, 6, 3, 6, 1, 15, 1, 6, 6, 10, 1, 15, 1, 15, 6, 6, 1, 28, 3, 6, 6, 15, 1, 28, 1, 15, 6, 6, 6, 36, 1, 6, 6, 28, 1, 28, 1, 15, 15, 6, 1, 45, 3, 15, 6, 15, 1, 28, 6, 28, 6, 6, 1, 66, 1, 6, 15, 21, 6, 28, 1, 15, 6, 28, 1, 66, 1, 6, 15, 15, 6, 28, 1, 45, 10, 6, 1, 66, 6, 6, 6, 28]

cp's OEIS Frontend

A066446 Number of unordered divisor pairs of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	6
7	1
8	6
9	3
10	6
11	1
12	15
13	1
14	6
15	6
16	10
17	1
18	15
19	1
20	15
21	6
22	6
23	1
24	28
25	3
26	6
27	6
28	15
29	1
30	28
31	1
32	15
33	6
34	6
35	6
36	36
37	1
38	6
39	6
40	28
41	1
42	28
43	1
44	15
45	15
46	6
47	1
48	45
49	3
50	15
51	6
52	15
53	1
54	28
55	6
56	28
57	6
58	6
59	1
60	66
61	1
62	6
63	15
64	21
65	6
66	28
67	1
68	15
69	6
70	28
71	1
72	66
73	1
74	6
75	15
76	15
77	6
78	28
79	1
80	45
81	10
82	6
83	1
84	66
85	6
86	6
87	6
88	28

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	6
7	1
8	6
9	3
10	6
11	1
12	15
13	1
14	6
15	6
16	10
17	1
18	15
19	1
20	15
21	6
22	6
23	1
24	28
25	3
26	6
27	6
28	15
29	1
30	28
31	1
32	15
33	6
34	6
35	6
36	36
37	1
38	6
39	6
40	28
41	1
42	28
43	1
44	15
45	15
46	6
47	1
48	45
49	3
50	15
51	6
52	15
53	1
54	28
55	6
56	28
57	6
58	6
59	1
60	66
61	1
62	6
63	15
64	21
65	6
66	28
67	1
68	15
69	6
70	28
71	1
72	66
73	1
74	6
75	15
76	15
77	6
78	28
79	1
80	45
81	10
82	6
83	1
84	66
85	6
86	6
87	6
88	28

n	a(n)
1	0
2	1
3	1
4	3
5	1
6	6
7	1
8	6
9	3
10	6
11	1
12	15
13	1
14	6
15	6
16	10
17	1
18	15
19	1
20	15
21	6
22	6
23	1
24	28
25	3
26	6
27	6
28	15
29	1
30	28
31	1
32	15
33	6
34	6
35	6
36	36
37	1
38	6
39	6
40	28
41	1
42	28
43	1
44	15
45	15
46	6
47	1
48	45
49	3
50	15
51	6
52	15
53	1
54	28
55	6
56	28
57	6
58	6
59	1
60	66
61	1
62	6
63	15
64	21
65	6
66	28
67	1
68	15
69	6
70	28
71	1
72	66
73	1
74	6
75	15
76	15
77	6
78	28
79	1
80	45
81	10
82	6
83	1
84	66
85	6
86	6
87	6
88	28