30251680

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2749

約数の個数: 48

約数和(自身を含む): 72503424

約数和(自身を除く): 42251744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2663, 2840, 5326, 5680, 10652, 11360, 13315, 21304, 26630, 42608, 53260, 85216, 106520, 189073, 213040, 378146, 426080, 756292, 945365, 1512584, 1890730, 3025168, 3781460, 6050336, 7562920, 15125840, 30251680]

約数ペア:

[(1, 30251680), (2, 15125840), (4, 7562920), (5, 6050336), (8, 3781460), (10, 3025168), (16, 1890730), (20, 1512584), (32, 945365), (40, 756292), (71, 426080), (80, 378146), (142, 213040), (160, 189073), (284, 106520), (355, 85216), (568, 53260), (710, 42608), (1136, 26630), (1420, 21304), (2272, 13315), (2663, 11360), (2840, 10652), (5326, 5680)]