1641080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5861}}^1$

素因数の和:5879

約数の個数: 32

約数和(自身を含む): 4220640

約数和(自身を除く): 2579560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5861, 11722, 23444, 29305, 41027, 46888, 58610, 82054, 117220, 164108, 205135, 234440, 328216, 410270, 820540, 1641080]

約数ペア:

[(1, 1641080), (2, 820540), (4, 410270), (5, 328216), (7, 234440), (8, 205135), (10, 164108), (14, 117220), (20, 82054), (28, 58610), (35, 46888), (40, 41027), (56, 29305), (70, 23444), (140, 11722), (280, 5861)]