640140540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{2801}}^1$

素因数の和:3119

約数の個数: 96

約数和(自身を含む): 1937549376

約数和(自身を除く): 1297408836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 293, 390, 586, 780, 879, 1172, 1465, 1758, 2801, 2930, 3516, 3809, 4395, 5602, 5860, 7618, 8403, 8790, 11204, 11427, 14005, 15236, 16806, 17580, 19045, 22854, 28010, 33612, 36413, 38090, 42015, 45708, 56020, 57135, 72826, 76180, 84030, 109239, 114270, 145652, 168060, 182065, 218478, 228540, 364130, 436956, 546195, 728260, 820693, 1092390, 1641386, 2184780, 2462079, 3282772, 4103465, 4924158, 8206930, 9848316, 10669009, 12310395, 16413860, 21338018, 24620790, 32007027, 42676036, 49241580, 53345045, 64014054, 106690090, 128028108, 160035135, 213380180, 320070270, 640140540]

約数ペア:

[(1, 640140540), (2, 320070270), (3, 213380180), (4, 160035135), (5, 128028108), (6, 106690090), (10, 64014054), (12, 53345045), (13, 49241580), (15, 42676036), (20, 32007027), (26, 24620790), (30, 21338018), (39, 16413860), (52, 12310395), (60, 10669009), (65, 9848316), (78, 8206930), (130, 4924158), (156, 4103465), (195, 3282772), (260, 2462079), (293, 2184780), (390, 1641386), (586, 1092390), (780, 820693), (879, 728260), (1172, 546195), (1465, 436956), (1758, 364130), (2801, 228540), (2930, 218478), (3516, 182065), (3809, 168060), (4395, 145652), (5602, 114270), (5860, 109239), (7618, 84030), (8403, 76180), (8790, 72826), (11204, 57135), (11427, 56020), (14005, 45708), (15236, 42015), (16806, 38090), (17580, 36413), (19045, 33612), (22854, 28010)]