15911080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5449}}^1$

素因数の和:5533

約数の個数: 32

約数和(自身を含む): 36297000

約数和(自身を除く): 20385920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5449, 10898, 21796, 27245, 43592, 54490, 108980, 217960, 397777, 795554, 1591108, 1988885, 3182216, 3977770, 7955540, 15911080]

約数ペア:

[(1, 15911080), (2, 7955540), (4, 3977770), (5, 3182216), (8, 1988885), (10, 1591108), (20, 795554), (40, 397777), (73, 217960), (146, 108980), (292, 54490), (365, 43592), (584, 27245), (730, 21796), (1460, 10898), (2920, 5449)]