31393620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7583}}^1$

素因数の和:7621

約数の個数: 72

約数和(自身を含む): 99380736

約数和(自身を除く): 67987116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7583, 15166, 22749, 30332, 37915, 45498, 68247, 75830, 90996, 113745, 136494, 151660, 174409, 227490, 272988, 341235, 348818, 454980, 523227, 682470, 697636, 872045, 1046454, 1364940, 1569681, 1744090, 2092908, 2616135, 3139362, 3488180, 5232270, 6278724, 7848405, 10464540, 15696810, 31393620]

約数ペア:

[(1, 31393620), (2, 15696810), (3, 10464540), (4, 7848405), (5, 6278724), (6, 5232270), (9, 3488180), (10, 3139362), (12, 2616135), (15, 2092908), (18, 1744090), (20, 1569681), (23, 1364940), (30, 1046454), (36, 872045), (45, 697636), (46, 682470), (60, 523227), (69, 454980), (90, 348818), (92, 341235), (115, 272988), (138, 227490), (180, 174409), (207, 151660), (230, 136494), (276, 113745), (345, 90996), (414, 75830), (460, 68247), (690, 45498), (828, 37915), (1035, 30332), (1380, 22749), (2070, 15166), (4140, 7583)]