31044780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13267}}^1$

素因数の和:13295

約数の個数: 72

約数和(自身を含む): 101420592

約数和(自身を除く): 70375812

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, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13267, 26534, 39801, 53068, 66335, 79602, 119403, 132670, 159204, 172471, 199005, 238806, 265340, 344942, 398010, 477612, 517413, 597015, 689884, 796020, 862355, 1034826, 1194030, 1552239, 1724710, 2069652, 2388060, 2587065, 3104478, 3449420, 5174130, 6208956, 7761195, 10348260, 15522390, 31044780]

約数ペア:

[(1, 31044780), (2, 15522390), (3, 10348260), (4, 7761195), (5, 6208956), (6, 5174130), (9, 3449420), (10, 3104478), (12, 2587065), (13, 2388060), (15, 2069652), (18, 1724710), (20, 1552239), (26, 1194030), (30, 1034826), (36, 862355), (39, 796020), (45, 689884), (52, 597015), (60, 517413), (65, 477612), (78, 398010), (90, 344942), (117, 265340), (130, 238806), (156, 199005), (180, 172471), (195, 159204), (234, 132670), (260, 119403), (390, 79602), (468, 66335), (585, 53068), (780, 39801), (1170, 26534), (2340, 13267)]