399364080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1664017}}^1$

素因数の和:1664033

約数の個数: 40

約数和(自身を含む): 1238029392

約数和(自身を除く): 838665312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1664017, 3328034, 4992051, 6656068, 8320085, 9984102, 13312136, 16640170, 19968204, 24960255, 26624272, 33280340, 39936408, 49920510, 66560680, 79872816, 99841020, 133121360, 199682040, 399364080]

約数ペア:

[(1, 399364080), (2, 199682040), (3, 133121360), (4, 99841020), (5, 79872816), (6, 66560680), (8, 49920510), (10, 39936408), (12, 33280340), (15, 26624272), (16, 24960255), (20, 19968204), (24, 16640170), (30, 13312136), (40, 9984102), (48, 8320085), (60, 6656068), (80, 4992051), (120, 3328034), (240, 1664017)]