72278980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{116579}}^1$

素因数の和:116619

約数の個数: 24

約数和(自身を含む): 156683520

約数和(自身を除く): 84404540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 116579, 233158, 466316, 582895, 1165790, 2331580, 3613949, 7227898, 14455796, 18069745, 36139490, 72278980]

約数ペア:

[(1, 72278980), (2, 36139490), (4, 18069745), (5, 14455796), (10, 7227898), (20, 3613949), (31, 2331580), (62, 1165790), (124, 582895), (155, 466316), (310, 233158), (620, 116579)]