A174457 - cp's OEIS frontend

A174457 Infinitely refactorable numbers: numbers k such that each iteration under the map x -> A000005(x) produces a divisor of k.

n	a(n)
1	1
2	2
3	12
4	24
5	36
6	60
7	72
8	84
9	96
10	108
11	132
12	156
13	180
14	204
15	228
16	240
17	252
18	276
19	288
20	348
21	360
22	372
23	396
24	444
25	468
26	480
27	492
28	504
29	516
30	564
31	600
32	612
33	636
34	640
35	672
36	684
37	708
38	720
39	732
40	792
41	804
42	828
43	852
44	864
45	876
46	936
47	948
48	972
49	996
50	1044
51	1056
52	1068
53	1116
54	1152

[1, 2, 12, 24, 36, 60, 72, 84, 96, 108, 132, 156, 180, 204, 228, 240, 252, 276, 288, 348, 360, 372, 396, 444, 468, 480, 492, 504, 516, 564, 600, 612, 636, 640, 672, 684, 708, 720, 732, 792, 804, 828, 852, 864, 876, 936, 948, 972, 996, 1044, 1056, 1068, 1116, 1152]

cp's OEIS Frontend

A174457 Infinitely refactorable numbers: numbers k such that each iteration under the map x -> A000005(x) produces a divisor of k.

Table of values

List of values