15678536920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2630627}}^1$

素因数の和:2630787

約数の個数: 32

約数和(自身を含む): 35513478000

約数和(自身を除く): 19834941080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 2630627, 5261254, 10522508, 13153135, 21045016, 26306270, 52612540, 105225080, 391963423, 783926846, 1567853692, 1959817115, 3135707384, 3919634230, 7839268460, 15678536920]

約数ペア:

[(1, 15678536920), (2, 7839268460), (4, 3919634230), (5, 3135707384), (8, 1959817115), (10, 1567853692), (20, 783926846), (40, 391963423), (149, 105225080), (298, 52612540), (596, 26306270), (745, 21045016), (1192, 13153135), (1490, 10522508), (2980, 5261254), (5960, 2630627)]