1207280

素因数分解:

$2^4\times 5^1\times {\mathrm{15091}}^1$

素因数の和:15104

約数の個数: 20

約数和(自身を含む): 2807112

約数和(自身を除く): 1599832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15091, 30182, 60364, 75455, 120728, 150910, 241456, 301820, 603640, 1207280]

約数ペア:

[(1, 1207280), (2, 603640), (4, 301820), (5, 241456), (8, 150910), (10, 120728), (16, 75455), (20, 60364), (40, 30182), (80, 15091)]