1545680

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^2$

素因数の和:291

約数の個数: 30

約数和(自身を含む): 3619746

約数和(自身を除く): 2074066

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 19321, 38642, 77284, 96605, 154568, 193210, 309136, 386420, 772840, 1545680]

約数ペア:

[(1, 1545680), (2, 772840), (4, 386420), (5, 309136), (8, 193210), (10, 154568), (16, 96605), (20, 77284), (40, 38642), (80, 19321), (139, 11120), (278, 5560), (556, 2780), (695, 2224), (1112, 1390)]