123264560

素因数分解:

$2^4\times 5^1\times {\mathrm{1540807}}^1$

素因数の和:1540820

約数の個数: 20

約数和(自身を含む): 286590288

約数和(自身を除く): 163325728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1540807, 3081614, 6163228, 7704035, 12326456, 15408070, 24652912, 30816140, 61632280, 123264560]

約数ペア:

[(1, 123264560), (2, 61632280), (4, 30816140), (5, 24652912), (8, 15408070), (10, 12326456), (16, 7704035), (20, 6163228), (40, 3081614), (80, 1540807)]