30557640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{254647}}^1$

素因数の和:254661

約数の個数: 32

約数和(自身を含む): 91673280

約数和(自身を除く): 61115640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 254647, 509294, 763941, 1018588, 1273235, 1527882, 2037176, 2546470, 3055764, 3819705, 5092940, 6111528, 7639410, 10185880, 15278820, 30557640]

約数ペア:

[(1, 30557640), (2, 15278820), (3, 10185880), (4, 7639410), (5, 6111528), (6, 5092940), (8, 3819705), (10, 3055764), (12, 2546470), (15, 2037176), (20, 1527882), (24, 1273235), (30, 1018588), (40, 763941), (60, 509294), (120, 254647)]