28622640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 89280000

約数和(自身を除く): 60657360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 499, 717, 956, 998, 1195, 1434, 1497, 1912, 1996, 2390, 2495, 2868, 2994, 3585, 3824, 3992, 4780, 4990, 5736, 5988, 7170, 7485, 7984, 9560, 9980, 11472, 11976, 14340, 14970, 19120, 19960, 23952, 28680, 29940, 39920, 57360, 59880, 119261, 119760, 238522, 357783, 477044, 596305, 715566, 954088, 1192610, 1431132, 1788915, 1908176, 2385220, 2862264, 3577830, 4770440, 5724528, 7155660, 9540880, 14311320, 28622640]

約数ペア:

[(1, 28622640), (2, 14311320), (3, 9540880), (4, 7155660), (5, 5724528), (6, 4770440), (8, 3577830), (10, 2862264), (12, 2385220), (15, 1908176), (16, 1788915), (20, 1431132), (24, 1192610), (30, 954088), (40, 715566), (48, 596305), (60, 477044), (80, 357783), (120, 238522), (239, 119760), (240, 119261), (478, 59880), (499, 57360), (717, 39920), (956, 29940), (998, 28680), (1195, 23952), (1434, 19960), (1497, 19120), (1912, 14970), (1996, 14340), (2390, 11976), (2495, 11472), (2868, 9980), (2994, 9560), (3585, 7984), (3824, 7485), (3992, 7170), (4780, 5988), (4990, 5736)]