1556880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 5208000

約数和(自身を除く): 3651120

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, 195, 208, 240, 260, 312, 390, 499, 520, 624, 780, 998, 1040, 1497, 1560, 1996, 2495, 2994, 3120, 3992, 4990, 5988, 6487, 7485, 7984, 9980, 11976, 12974, 14970, 19461, 19960, 23952, 25948, 29940, 32435, 38922, 39920, 51896, 59880, 64870, 77844, 97305, 103792, 119760, 129740, 155688, 194610, 259480, 311376, 389220, 518960, 778440, 1556880]

約数ペア:

[(1, 1556880), (2, 778440), (3, 518960), (4, 389220), (5, 311376), (6, 259480), (8, 194610), (10, 155688), (12, 129740), (13, 119760), (15, 103792), (16, 97305), (20, 77844), (24, 64870), (26, 59880), (30, 51896), (39, 39920), (40, 38922), (48, 32435), (52, 29940), (60, 25948), (65, 23952), (78, 19960), (80, 19461), (104, 14970), (120, 12974), (130, 11976), (156, 9980), (195, 7984), (208, 7485), (240, 6487), (260, 5988), (312, 4990), (390, 3992), (499, 3120), (520, 2994), (624, 2495), (780, 1996), (998, 1560), (1040, 1497)]