A334730 - cp's OEIS frontend

A334730 a(n) = Product_{d|n} gcd(tau(d), pod(d)) where tau(k) is the number of divisors of k (A000005) and pod(k) is the product of divisors of k (A007955).

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	8
7	1
8	8
9	3
10	8
11	1
12	48
13	1
14	8
15	1
16	8
17	1
18	144
19	1
20	16
21	1
22	8
23	1
24	1536
25	1
26	8
27	3
28	16
29	1
30	256
31	1
32	16
33	1
34	8
35	1
36	7776
37	1
38	8
39	1
40	512
41	1
42	256
43	1
44	16
45	9
46	8
47	1
48	3072
49	1
50	16
51	1
52	16
53	1
54	1152
55	1
56	512
57	1
58	8
59	1
60	36864
61	1
62	8
63	9
64	16
65	1
66	256
67	1
68	16
69	1
70	256
71	1
72	2985984
73	1
74	8
75	3
76	16
77	1
78	256
79	1

[1, 2, 1, 2, 1, 8, 1, 8, 3, 8, 1, 48, 1, 8, 1, 8, 1, 144, 1, 16, 1, 8, 1, 1536, 1, 8, 3, 16, 1, 256, 1, 16, 1, 8, 1, 7776, 1, 8, 1, 512, 1, 256, 1, 16, 9, 8, 1, 3072, 1, 16, 1, 16, 1, 1152, 1, 512, 1, 8, 1, 36864, 1, 8, 9, 16, 1, 256, 1, 16, 1, 256, 1, 2985984, 1, 8, 3, 16, 1, 256, 1]

cp's OEIS Frontend

A334730 a(n) = Product_{d|n} gcd(tau(d), pod(d)) where tau(k) is the number of divisors of k (A000005) and pod(k) is the product of divisors of k (A007955).

Table of values

List of values