12857520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 43296336

約数和(自身を除く): 30438816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 317, 338, 390, 507, 520, 624, 634, 676, 780, 845, 951, 1014, 1040, 1268, 1352, 1560, 1585, 1690, 1902, 2028, 2535, 2536, 2704, 3120, 3170, 3380, 3804, 4056, 4121, 4755, 5070, 5072, 6340, 6760, 7608, 8112, 8242, 9510, 10140, 12363, 12680, 13520, 15216, 16484, 19020, 20280, 20605, 24726, 25360, 32968, 38040, 40560, 41210, 49452, 53573, 61815, 65936, 76080, 82420, 98904, 107146, 123630, 160719, 164840, 197808, 214292, 247260, 267865, 321438, 329680, 428584, 494520, 535730, 642876, 803595, 857168, 989040, 1071460, 1285752, 1607190, 2142920, 2571504, 3214380, 4285840, 6428760, 12857520]

約数ペア:

[(1, 12857520), (2, 6428760), (3, 4285840), (4, 3214380), (5, 2571504), (6, 2142920), (8, 1607190), (10, 1285752), (12, 1071460), (13, 989040), (15, 857168), (16, 803595), (20, 642876), (24, 535730), (26, 494520), (30, 428584), (39, 329680), (40, 321438), (48, 267865), (52, 247260), (60, 214292), (65, 197808), (78, 164840), (80, 160719), (104, 123630), (120, 107146), (130, 98904), (156, 82420), (169, 76080), (195, 65936), (208, 61815), (240, 53573), (260, 49452), (312, 41210), (317, 40560), (338, 38040), (390, 32968), (507, 25360), (520, 24726), (624, 20605), (634, 20280), (676, 19020), (780, 16484), (845, 15216), (951, 13520), (1014, 12680), (1040, 12363), (1268, 10140), (1352, 9510), (1560, 8242), (1585, 8112), (1690, 7608), (1902, 6760), (2028, 6340), (2535, 5072), (2536, 5070), (2704, 4755), (3120, 4121), (3170, 4056), (3380, 3804)]