A334805 - cp's OEIS frontend

A334805 a(n) = Product_{d|n} lcm(d, sigma(d)) where sigma(k) is the sum of divisors of k (A000203).

n	a(n)
1	1
2	6
3	12
4	168
5	30
6	864
7	56
8	20160
9	1404
10	16200
11	132
12	2032128
13	182
14	56448
15	43200
16	9999360
17	306
18	23654592
19	380
20	190512000
21	451584
22	313632
23	552
24	29262643200
25	23250
26	596232
27	1516320
28	88510464
29	870
30	100776960000
31	992
32	20158709760
33	836352
34	1685448
35	2822400

[1, 6, 12, 168, 30, 864, 56, 20160, 1404, 16200, 132, 2032128, 182, 56448, 43200, 9999360, 306, 23654592, 380, 190512000, 451584, 313632, 552, 29262643200, 23250, 596232, 1516320, 88510464, 870, 100776960000, 992, 20158709760, 836352, 1685448, 2822400]

cp's OEIS Frontend

A334805 a(n) = Product_{d|n} lcm(d, sigma(d)) where sigma(k) is the sum of divisors of k (A000203).

Table of values

List of values