15212720

素因数分解:

$2^4\times 5^1\times {\mathrm{190159}}^1$

素因数の和:190172

約数の個数: 20

約数和(自身を含む): 35369760

約数和(自身を除く): 20157040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190159, 380318, 760636, 950795, 1521272, 1901590, 3042544, 3803180, 7606360, 15212720]

約数ペア:

[(1, 15212720), (2, 7606360), (4, 3803180), (5, 3042544), (8, 1901590), (10, 1521272), (16, 950795), (20, 760636), (40, 380318), (80, 190159)]