1428560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2551}}^1$

素因数の和:2571

約数の個数: 40

約数和(自身を含む): 3797376

約数和(自身を除く): 2368816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2551, 5102, 10204, 12755, 17857, 20408, 25510, 35714, 40816, 51020, 71428, 89285, 102040, 142856, 178570, 204080, 285712, 357140, 714280, 1428560]

約数ペア:

[(1, 1428560), (2, 714280), (4, 357140), (5, 285712), (7, 204080), (8, 178570), (10, 142856), (14, 102040), (16, 89285), (20, 71428), (28, 51020), (35, 40816), (40, 35714), (56, 25510), (70, 20408), (80, 17857), (112, 12755), (140, 10204), (280, 5102), (560, 2551)]