213321840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3719}}^1$

素因数の和:3974

約数の個数: 80

約数和(自身を含む): 664243200

約数和(自身を除く): 450921360

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, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3719, 3824, 4780, 5736, 7170, 7438, 9560, 11157, 11472, 14340, 14876, 18595, 19120, 22314, 28680, 29752, 37190, 44628, 55785, 57360, 59504, 74380, 89256, 111570, 148760, 178512, 223140, 297520, 446280, 888841, 892560, 1777682, 2666523, 3555364, 4444205, 5333046, 7110728, 8888410, 10666092, 13332615, 14221456, 17776820, 21332184, 26665230, 35553640, 42664368, 53330460, 71107280, 106660920, 213321840]

約数ペア:

[(1, 213321840), (2, 106660920), (3, 71107280), (4, 53330460), (5, 42664368), (6, 35553640), (8, 26665230), (10, 21332184), (12, 17776820), (15, 14221456), (16, 13332615), (20, 10666092), (24, 8888410), (30, 7110728), (40, 5333046), (48, 4444205), (60, 3555364), (80, 2666523), (120, 1777682), (239, 892560), (240, 888841), (478, 446280), (717, 297520), (956, 223140), (1195, 178512), (1434, 148760), (1912, 111570), (2390, 89256), (2868, 74380), (3585, 59504), (3719, 57360), (3824, 55785), (4780, 44628), (5736, 37190), (7170, 29752), (7438, 28680), (9560, 22314), (11157, 19120), (11472, 18595), (14340, 14876)]