278435280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1160147}}^1$

素因数の和:1160163

約数の個数: 40

約数和(自身を含む): 863150112

約数和(自身を除く): 584714832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1160147, 2320294, 3480441, 4640588, 5800735, 6960882, 9281176, 11601470, 13921764, 17402205, 18562352, 23202940, 27843528, 34804410, 46405880, 55687056, 69608820, 92811760, 139217640, 278435280]

約数ペア:

[(1, 278435280), (2, 139217640), (3, 92811760), (4, 69608820), (5, 55687056), (6, 46405880), (8, 34804410), (10, 27843528), (12, 23202940), (15, 18562352), (16, 17402205), (20, 13921764), (24, 11601470), (30, 9281176), (40, 6960882), (48, 5800735), (60, 4640588), (80, 3480441), (120, 2320294), (240, 1160147)]