1213680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 4062240

約数和(自身を除く): 2848560

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, 389, 390, 520, 624, 778, 780, 1040, 1167, 1556, 1560, 1945, 2334, 3112, 3120, 3890, 4668, 5057, 5835, 6224, 7780, 9336, 10114, 11670, 15171, 15560, 18672, 20228, 23340, 25285, 30342, 31120, 40456, 46680, 50570, 60684, 75855, 80912, 93360, 101140, 121368, 151710, 202280, 242736, 303420, 404560, 606840, 1213680]

約数ペア:

[(1, 1213680), (2, 606840), (3, 404560), (4, 303420), (5, 242736), (6, 202280), (8, 151710), (10, 121368), (12, 101140), (13, 93360), (15, 80912), (16, 75855), (20, 60684), (24, 50570), (26, 46680), (30, 40456), (39, 31120), (40, 30342), (48, 25285), (52, 23340), (60, 20228), (65, 18672), (78, 15560), (80, 15171), (104, 11670), (120, 10114), (130, 9336), (156, 7780), (195, 6224), (208, 5835), (240, 5057), (260, 4668), (312, 3890), (389, 3120), (390, 3112), (520, 2334), (624, 1945), (778, 1560), (780, 1556), (1040, 1167)]