71956260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{399757}}^1$

素因数の和:399772

約数の個数: 36

約数和(自身を含む): 218267868

約数和(自身を除く): 146311608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 399757, 799514, 1199271, 1599028, 1998785, 2398542, 3597813, 3997570, 4797084, 5996355, 7195626, 7995140, 11992710, 14391252, 17989065, 23985420, 35978130, 71956260]

約数ペア:

[(1, 71956260), (2, 35978130), (3, 23985420), (4, 17989065), (5, 14391252), (6, 11992710), (9, 7995140), (10, 7195626), (12, 5996355), (15, 4797084), (18, 3997570), (20, 3597813), (30, 2398542), (36, 1998785), (45, 1599028), (60, 1199271), (90, 799514), (180, 399757)]