A344223 - cp's OEIS frontend

A344223 a(n) = Sum_{k=1..n} tau(gcd(k,n)^n), where tau(n) is the number of divisors of n.

n	a(n)
1	1
2	4
3	6
4	16
5	10
6	72
7	14
8	64
9	45
10	180
11	22
12	600
13	26
14	336
15	360
16	256
17	34
18	1620
19	38
20	1600
21	672
22	792
23	46
24	4752
25	175
26	1092
27	378
28	3080
29	58
30	36960
31	62
32	1024
33	1584
34	1836
35	1680
36	17136
37	74
38	2280
39	2184
40	12960
41	82
42	97020
43	86
44	7480
45	9450
46	3312
47	94
48	37536
49	441
50	16900
51	3672
52	10400
53	106
54	40824
55	3960
56	25200

[1, 4, 6, 16, 10, 72, 14, 64, 45, 180, 22, 600, 26, 336, 360, 256, 34, 1620, 38, 1600, 672, 792, 46, 4752, 175, 1092, 378, 3080, 58, 36960, 62, 1024, 1584, 1836, 1680, 17136, 74, 2280, 2184, 12960, 82, 97020, 86, 7480, 9450, 3312, 94, 37536, 441, 16900, 3672, 10400, 106, 40824, 3960, 25200]

cp's OEIS Frontend

A344223 a(n) = Sum_{k=1..n} tau(gcd(k,n)^n), where tau(n) is the number of divisors of n.

Table of values

List of values