A361937 - cp's OEIS frontend

A361937 Numbers k with record values of the ratio A000005(k)/A246600(k) between the total number of divisors of k and the number of divisors d of k such that the bitwise OR of k and d is equal to k.

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	32
7	64
8	128
9	256
10	336
11	420
12	840
13	1680
14	3360
15	6720
16	7560
17	15120
18	30240
19	60480
20	95760
21	120960
22	176400
23	191520
24	257040
25	352800
26	383040
27	514080
28	1028160
29	1681680
30	2056320
31	2998800
32	3112200
33	5525520
34	5997600
35	6224400
36	8353800
37	12448800
38	16216200
39	24897600

[1, 2, 4, 8, 16, 32, 64, 128, 256, 336, 420, 840, 1680, 3360, 6720, 7560, 15120, 30240, 60480, 95760, 120960, 176400, 191520, 257040, 352800, 383040, 514080, 1028160, 1681680, 2056320, 2998800, 3112200, 5525520, 5997600, 6224400, 8353800, 12448800, 16216200, 24897600]

cp's OEIS Frontend

A361937 Numbers k with record values of the ratio A000005(k)/A246600(k) between the total number of divisors of k and the number of divisors d of k such that the bitwise OR of k and d is equal to k.

Table of values

List of values