68561080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244861}}^1$

素因数の和:244879

約数の個数: 32

約数和(自身を含む): 176300640

約数和(自身を除く): 107739560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244861, 489722, 979444, 1224305, 1714027, 1958888, 2448610, 3428054, 4897220, 6856108, 8570135, 9794440, 13712216, 17140270, 34280540, 68561080]

約数ペア:

[(1, 68561080), (2, 34280540), (4, 17140270), (5, 13712216), (7, 9794440), (8, 8570135), (10, 6856108), (14, 4897220), (20, 3428054), (28, 2448610), (35, 1958888), (40, 1714027), (56, 1224305), (70, 979444), (140, 489722), (280, 244861)]