31363020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1031}}^1$

素因数の和:1072

約数の個数: 108

約数和(自身を含む): 103115376

約数和(自身を除く): 71752356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1031, 1170, 1521, 1690, 2028, 2062, 2340, 2535, 3042, 3093, 3380, 4124, 5070, 5155, 6084, 6186, 7605, 9279, 10140, 10310, 12372, 13403, 15210, 15465, 18558, 20620, 26806, 30420, 30930, 37116, 40209, 46395, 53612, 61860, 67015, 80418, 92790, 120627, 134030, 160836, 174239, 185580, 201045, 241254, 268060, 348478, 402090, 482508, 522717, 603135, 696956, 804180, 871195, 1045434, 1206270, 1568151, 1742390, 2090868, 2412540, 2613585, 3136302, 3484780, 5227170, 6272604, 7840755, 10454340, 15681510, 31363020]

約数ペア:

[(1, 31363020), (2, 15681510), (3, 10454340), (4, 7840755), (5, 6272604), (6, 5227170), (9, 3484780), (10, 3136302), (12, 2613585), (13, 2412540), (15, 2090868), (18, 1742390), (20, 1568151), (26, 1206270), (30, 1045434), (36, 871195), (39, 804180), (45, 696956), (52, 603135), (60, 522717), (65, 482508), (78, 402090), (90, 348478), (117, 268060), (130, 241254), (156, 201045), (169, 185580), (180, 174239), (195, 160836), (234, 134030), (260, 120627), (338, 92790), (390, 80418), (468, 67015), (507, 61860), (585, 53612), (676, 46395), (780, 40209), (845, 37116), (1014, 30930), (1031, 30420), (1170, 26806), (1521, 20620), (1690, 18558), (2028, 15465), (2062, 15210), (2340, 13403), (2535, 12372), (3042, 10310), (3093, 10140), (3380, 9279), (4124, 7605), (5070, 6186), (5155, 6084)]