68145420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162251}}^1$

素因数の和:162270

約数の個数: 48

約数和(自身を含む): 218066688

約数和(自身を除く): 149921268

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, 162251, 324502, 486753, 649004, 811255, 973506, 1135757, 1622510, 1947012, 2271514, 2433765, 3245020, 3407271, 4543028, 4867530, 5678785, 6814542, 9735060, 11357570, 13629084, 17036355, 22715140, 34072710, 68145420]

約数ペア:

[(1, 68145420), (2, 34072710), (3, 22715140), (4, 17036355), (5, 13629084), (6, 11357570), (7, 9735060), (10, 6814542), (12, 5678785), (14, 4867530), (15, 4543028), (20, 3407271), (21, 3245020), (28, 2433765), (30, 2271514), (35, 1947012), (42, 1622510), (60, 1135757), (70, 973506), (84, 811255), (105, 649004), (140, 486753), (210, 324502), (420, 162251)]