156912980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1120807}}^1$

素因数の和:1120823

約数の個数: 24

約数和(自身を含む): 376591488

約数和(自身を除く): 219678508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1120807, 2241614, 4483228, 5604035, 7845649, 11208070, 15691298, 22416140, 31382596, 39228245, 78456490, 156912980]

約数ペア:

[(1, 156912980), (2, 78456490), (4, 39228245), (5, 31382596), (7, 22416140), (10, 15691298), (14, 11208070), (20, 7845649), (28, 5604035), (35, 4483228), (70, 2241614), (140, 1120807)]