180737540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{531581}}^1$

素因数の和:531607

約数の個数: 24

約数和(自身を含む): 401875992

約数和(自身を除く): 221138452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 531581, 1063162, 2126324, 2657905, 5315810, 9036877, 10631620, 18073754, 36147508, 45184385, 90368770, 180737540]

約数ペア:

[(1, 180737540), (2, 90368770), (4, 45184385), (5, 36147508), (10, 18073754), (17, 10631620), (20, 9036877), (34, 5315810), (68, 2657905), (85, 2126324), (170, 1063162), (340, 531581)]