231316920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{642547}}^1$

素因数の和:642564

約数の個数: 48

約数和(自身を含む): 751781160

約数和(自身を除く): 520464240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 642547, 1285094, 1927641, 2570188, 3212735, 3855282, 5140376, 5782923, 6425470, 7710564, 9638205, 11565846, 12850940, 15421128, 19276410, 23131692, 25701880, 28914615, 38552820, 46263384, 57829230, 77105640, 115658460, 231316920]

約数ペア:

[(1, 231316920), (2, 115658460), (3, 77105640), (4, 57829230), (5, 46263384), (6, 38552820), (8, 28914615), (9, 25701880), (10, 23131692), (12, 19276410), (15, 15421128), (18, 12850940), (20, 11565846), (24, 9638205), (30, 7710564), (36, 6425470), (40, 5782923), (45, 5140376), (60, 3855282), (72, 3212735), (90, 2570188), (120, 1927641), (180, 1285094), (360, 642547)]