77851760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139021}}^1$

素因数の和:139041

約数の個数: 40

約数和(自身を含む): 206864736

約数和(自身を除く): 129012976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139021, 278042, 556084, 695105, 973147, 1112168, 1390210, 1946294, 2224336, 2780420, 3892588, 4865735, 5560840, 7785176, 9731470, 11121680, 15570352, 19462940, 38925880, 77851760]

約数ペア:

[(1, 77851760), (2, 38925880), (4, 19462940), (5, 15570352), (7, 11121680), (8, 9731470), (10, 7785176), (14, 5560840), (16, 4865735), (20, 3892588), (28, 2780420), (35, 2224336), (40, 1946294), (56, 1390210), (70, 1112168), (80, 973147), (112, 695105), (140, 556084), (280, 278042), (560, 139021)]