A157195 - cp's OEIS frontend

A157195 a(n) = 0 if n is 1 or a prime, otherwise a(n) = product of the proper divisors of n.

n	a(n)
1	0
2	0
3	0
4	2
5	0
6	6
7	0
8	8
9	3
10	10
11	0
12	144
13	0
14	14
15	15
16	64
17	0
18	324
19	0
20	400
21	21
22	22
23	0
24	13824
25	5
26	26
27	27
28	784
29	0
30	27000
31	0
32	1024
33	33
34	34
35	35
36	279936
37	0
38	38
39	39
40	64000
41	0
42	74088
43	0
44	1936
45	2025
46	46
47	0
48	5308416
49	7
50	2500
51	51
52	2704
53	0
54	157464
55	55
56	175616
57	57
58	58
59	0
60	777600000

[0, 0, 0, 2, 0, 6, 0, 8, 3, 10, 0, 144, 0, 14, 15, 64, 0, 324, 0, 400, 21, 22, 0, 13824, 5, 26, 27, 784, 0, 27000, 0, 1024, 33, 34, 35, 279936, 0, 38, 39, 64000, 0, 74088, 0, 1936, 2025, 46, 0, 5308416, 7, 2500, 51, 2704, 0, 157464, 55, 175616, 57, 58, 0, 777600000]

cp's OEIS Frontend

A157195 a(n) = 0 if n is 1 or a prime, otherwise a(n) = product of the proper divisors of n.

Table of values

List of values