68132820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162221}}^1$

素因数の和:162240

約数の個数: 48

約数和(自身を含む): 218026368

約数和(自身を除く): 149893548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 162221, 324442, 486663, 648884, 811105, 973326, 1135547, 1622210, 1946652, 2271094, 2433315, 3244420, 3406641, 4542188, 4866630, 5677735, 6813282, 9733260, 11355470, 13626564, 17033205, 22710940, 34066410, 68132820]

約数ペア:

[(1, 68132820), (2, 34066410), (3, 22710940), (4, 17033205), (5, 13626564), (6, 11355470), (7, 9733260), (10, 6813282), (12, 5677735), (14, 4866630), (15, 4542188), (20, 3406641), (21, 3244420), (28, 2433315), (30, 2271094), (35, 1946652), (42, 1622210), (60, 1135547), (70, 973326), (84, 811105), (105, 648884), (140, 486663), (210, 324442), (420, 162221)]