68415420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1140257}}^1$

素因数の和:1140269

約数の個数: 24

約数和(自身を含む): 191563344

約数和(自身を除く): 123147924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1140257, 2280514, 3420771, 4561028, 5701285, 6841542, 11402570, 13683084, 17103855, 22805140, 34207710, 68415420]

約数ペア:

[(1, 68415420), (2, 34207710), (3, 22805140), (4, 17103855), (5, 13683084), (6, 11402570), (10, 6841542), (12, 5701285), (15, 4561028), (20, 3420771), (30, 2280514), (60, 1140257)]