2790840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1$

素因数の和:1816

約数の個数: 64

約数和(自身を含む): 9021600

約数和(自身を除く): 6230760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1789, 3578, 5367, 7156, 8945, 10734, 14312, 17890, 21468, 23257, 26835, 35780, 42936, 46514, 53670, 69771, 71560, 93028, 107340, 116285, 139542, 186056, 214680, 232570, 279084, 348855, 465140, 558168, 697710, 930280, 1395420, 2790840]

約数ペア:

[(1, 2790840), (2, 1395420), (3, 930280), (4, 697710), (5, 558168), (6, 465140), (8, 348855), (10, 279084), (12, 232570), (13, 214680), (15, 186056), (20, 139542), (24, 116285), (26, 107340), (30, 93028), (39, 71560), (40, 69771), (52, 53670), (60, 46514), (65, 42936), (78, 35780), (104, 26835), (120, 23257), (130, 21468), (156, 17890), (195, 14312), (260, 10734), (312, 8945), (390, 7156), (520, 5367), (780, 3578), (1560, 1789)]