42807720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{356731}}^1$

素因数の和:356745

約数の個数: 32

約数和(自身を含む): 128423520

約数和(自身を除く): 85615800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 356731, 713462, 1070193, 1426924, 1783655, 2140386, 2853848, 3567310, 4280772, 5350965, 7134620, 8561544, 10701930, 14269240, 21403860, 42807720]

約数ペア:

[(1, 42807720), (2, 21403860), (3, 14269240), (4, 10701930), (5, 8561544), (6, 7134620), (8, 5350965), (10, 4280772), (12, 3567310), (15, 2853848), (20, 2140386), (24, 1783655), (30, 1426924), (40, 1070193), (60, 713462), (120, 356731)]