A378054 - cp's OEIS frontend

A378054 Numbers k that divide A378053(k) = gcd(Product_{d|k} (d + 1), Product_{d|k, d>1} (d - 1)).

n	a(n)
1	1
2	60
3	90
4	120
5	144
6	168
7	180
8	210
9	240
10	252
11	280
12	336
13	360
14	420
15	504
16	540
17	560
18	630
19	660
20	720
21	840
22	900
23	924
24	990
25	1008
26	1056
27	1080
28	1092
29	1200
30	1260
31	1320
32	1404
33	1440
34	1512
35	1560
36	1680
37	1800
38	1848
39	1872
40	1890
41	1980
42	2016
43	2100
44	2112
45	2160
46	2184
47	2310
48	2376
49	2400

[1, 60, 90, 120, 144, 168, 180, 210, 240, 252, 280, 336, 360, 420, 504, 540, 560, 630, 660, 720, 840, 900, 924, 990, 1008, 1056, 1080, 1092, 1200, 1260, 1320, 1404, 1440, 1512, 1560, 1680, 1800, 1848, 1872, 1890, 1980, 2016, 2100, 2112, 2160, 2184, 2310, 2376, 2400]

cp's OEIS Frontend

A378054 Numbers k that divide A378053(k) = gcd(Product_{d|k} (d + 1), Product_{d|k, d>1} (d - 1)).

Table of values

List of values