28306920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{235891}}^1$

素因数の和:235905

約数の個数: 32

約数和(自身を含む): 84921120

約数和(自身を除く): 56614200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 235891, 471782, 707673, 943564, 1179455, 1415346, 1887128, 2358910, 2830692, 3538365, 4717820, 5661384, 7076730, 9435640, 14153460, 28306920]

約数ペア:

[(1, 28306920), (2, 14153460), (3, 9435640), (4, 7076730), (5, 5661384), (6, 4717820), (8, 3538365), (10, 2830692), (12, 2358910), (15, 1887128), (20, 1415346), (24, 1179455), (30, 943564), (40, 707673), (60, 471782), (120, 235891)]