660115704

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{639647}}^1$

素因数の和:639699

約数の個数: 32

約数和(自身を含む): 1688670720

約数和(自身を除く): 1028555016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 639647, 1279294, 1918941, 2558588, 3837882, 5117176, 7675764, 15351528, 27504821, 55009642, 82514463, 110019284, 165028926, 220038568, 330057852, 660115704]

約数ペア:

[(1, 660115704), (2, 330057852), (3, 220038568), (4, 165028926), (6, 110019284), (8, 82514463), (12, 55009642), (24, 27504821), (43, 15351528), (86, 7675764), (129, 5117176), (172, 3837882), (258, 2558588), (344, 1918941), (516, 1279294), (1032, 639647)]