A120350 - cp's OEIS frontend

A120350 Refactorable numbers k such that the number of odd divisors and the number of even divisors of k are both divisors of k.

n	a(n)
1	2
2	12
3	18
4	24
5	36
6	72
7	80
8	180
9	240
10	252
11	360
12	396
13	450
14	468
15	480
16	504
17	560
18	612
19	684
20	720
21	792
22	828
23	880
24	882
25	896
26	936
27	972
28	1040
29	1044
30	1116
31	1200
32	1224
33	1250
34	1332
35	1344
36	1360
37	1368
38	1440
39	1476
40	1520
41	1548
42	1620
43	1656
44	1692
45	1840
46	1908
47	1944
48	2000

[2, 12, 18, 24, 36, 72, 80, 180, 240, 252, 360, 396, 450, 468, 480, 504, 560, 612, 684, 720, 792, 828, 880, 882, 896, 936, 972, 1040, 1044, 1116, 1200, 1224, 1250, 1332, 1344, 1360, 1368, 1440, 1476, 1520, 1548, 1620, 1656, 1692, 1840, 1908, 1944, 2000]

cp's OEIS Frontend

A120350 Refactorable numbers k such that the number of odd divisors and the number of even divisors of k are both divisors of k.

Table of values

List of values