68310840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43789}}^1$

素因数の和:43816

約数の個数: 64

約数和(自身を含む): 220701600

約数和(自身を除く): 152390760

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, 43789, 87578, 131367, 175156, 218945, 262734, 350312, 437890, 525468, 569257, 656835, 875780, 1050936, 1138514, 1313670, 1707771, 1751560, 2277028, 2627340, 2846285, 3415542, 4554056, 5254680, 5692570, 6831084, 8538855, 11385140, 13662168, 17077710, 22770280, 34155420, 68310840]

約数ペア:

[(1, 68310840), (2, 34155420), (3, 22770280), (4, 17077710), (5, 13662168), (6, 11385140), (8, 8538855), (10, 6831084), (12, 5692570), (13, 5254680), (15, 4554056), (20, 3415542), (24, 2846285), (26, 2627340), (30, 2277028), (39, 1751560), (40, 1707771), (52, 1313670), (60, 1138514), (65, 1050936), (78, 875780), (104, 656835), (120, 569257), (130, 525468), (156, 437890), (195, 350312), (260, 262734), (312, 218945), (390, 175156), (520, 131367), (780, 87578), (1560, 43789)]