64641080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230861}}^1$

素因数の和:230879

約数の個数: 32

約数和(自身を含む): 166220640

約数和(自身を除く): 101579560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230861, 461722, 923444, 1154305, 1616027, 1846888, 2308610, 3232054, 4617220, 6464108, 8080135, 9234440, 12928216, 16160270, 32320540, 64641080]

約数ペア:

[(1, 64641080), (2, 32320540), (4, 16160270), (5, 12928216), (7, 9234440), (8, 8080135), (10, 6464108), (14, 4617220), (20, 3232054), (28, 2308610), (35, 1846888), (40, 1616027), (56, 1154305), (70, 923444), (140, 461722), (280, 230861)]