1565480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5591}}^1$

素因数の和:5609

約数の個数: 32

約数和(自身を含む): 4026240

約数和(自身を除く): 2460760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5591, 11182, 22364, 27955, 39137, 44728, 55910, 78274, 111820, 156548, 195685, 223640, 313096, 391370, 782740, 1565480]

約数ペア:

[(1, 1565480), (2, 782740), (4, 391370), (5, 313096), (7, 223640), (8, 195685), (10, 156548), (14, 111820), (20, 78274), (28, 55910), (35, 44728), (40, 39137), (56, 27955), (70, 22364), (140, 11182), (280, 5591)]