A064165 - cp's OEIS frontend

A064165 a(n) = tau( sigma_n(n) ), where tau is the number of divisors of n.

n	a(n)
1	1
2	2
3	6
4	8
5	8
6	24
7	16
8	4
9	8
10	72
11	96
12	256
13	32
14	64
15	1728
16	64
17	12
18	384
19	48
20	2048
21	3456
22	128
23	512
24	2304
25	256
26	384
27	2048
28	9216
29	128
30	69120
31	384
32	2048
33	184320
34	2304
35	81920
36	2048
37	128
38	256
39	9216
40	1024
41	64
42	138240
43	384
44	16384
45	32768
46	3072
47	2560
48	131072
49	64
50	4194304
51	196608

[1, 2, 6, 8, 8, 24, 16, 4, 8, 72, 96, 256, 32, 64, 1728, 64, 12, 384, 48, 2048, 3456, 128, 512, 2304, 256, 384, 2048, 9216, 128, 69120, 384, 2048, 184320, 2304, 81920, 2048, 128, 256, 9216, 1024, 64, 138240, 384, 16384, 32768, 3072, 2560, 131072, 64, 4194304, 196608]

cp's OEIS Frontend

A064165 a(n) = tau( sigma_n(n) ), where tau is the number of divisors of n.

Table of values

List of values