A260142 - cp's OEIS frontend

A260142 Denominators of the distinct common values of sigma(n)/n and m/phi(m) in the order which they occur when n and m increase.

n	a(n)
1	1
2	2
3	1
4	3
5	8
6	4
7	2
8	6
9	1
10	24
11	36
12	10
13	128
14	12
15	4
16	32
17	16
18	12
19	42
20	16
21	72
22	384
23	120
24	144
25	2
26	24
27	64
28	864
29	36
30	216
31	60
32	160
33	504
34	192
35	16
36	288
37	54
38	6
39	128
40	24
41	144
42	1920
43	4
44	32768
45	32
46	32
47	216
48	432
49	8192
50	20
51	48
52	1296
53	1080
54	1760
55	4320
56	384
57	704
58	1728
59	10
60	360
61	4
62	2816
63	80

[1, 2, 1, 3, 8, 4, 2, 6, 1, 24, 36, 10, 128, 12, 4, 32, 16, 12, 42, 16, 72, 384, 120, 144, 2, 24, 64, 864, 36, 216, 60, 160, 504, 192, 16, 288, 54, 6, 128, 24, 144, 1920, 4, 32768, 32, 32, 216, 432, 8192, 20, 48, 1296, 1080, 1760, 4320, 384, 704, 1728, 10, 360, 4, 2816, 80]

cp's OEIS Frontend

A260142 Denominators of the distinct common values of sigma(n)/n and m/phi(m) in the order which they occur when n and m increase.

Table of values

List of values