A324980 - cp's OEIS frontend

A324980 a(n) = Product_{d|n} (d*sigma(d)) where sigma(k) = the sum of the divisors of k (A000203).

n	a(n)
1	1
2	6
3	12
4	168
5	30
6	5184
7	56
8	20160
9	1404
10	32400
11	132
12	48771072
13	182
14	112896
15	129600
16	9999360
17	306
18	425782656
19	380
20	762048000
21	451584
22	627264
23	552
24	8427641241600
25	23250
26	1192464
27	1516320
28	4956585984
29	870
30	21767823360000
31	992
32	20158709760
33	2509056
34	3370896

[1, 6, 12, 168, 30, 5184, 56, 20160, 1404, 32400, 132, 48771072, 182, 112896, 129600, 9999360, 306, 425782656, 380, 762048000, 451584, 627264, 552, 8427641241600, 23250, 1192464, 1516320, 4956585984, 870, 21767823360000, 992, 20158709760, 2509056, 3370896]

cp's OEIS Frontend

A324980 a(n) = Product_{d|n} (d*sigma(d)) where sigma(k) = the sum of the divisors of k (A000203).

Table of values

List of values