72885840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{303691}}^1$

素因数の和:303707

約数の個数: 40

約数和(自身を含む): 225946848

約数和(自身を除く): 153061008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 303691, 607382, 911073, 1214764, 1518455, 1822146, 2429528, 3036910, 3644292, 4555365, 4859056, 6073820, 7288584, 9110730, 12147640, 14577168, 18221460, 24295280, 36442920, 72885840]

約数ペア:

[(1, 72885840), (2, 36442920), (3, 24295280), (4, 18221460), (5, 14577168), (6, 12147640), (8, 9110730), (10, 7288584), (12, 6073820), (15, 4859056), (16, 4555365), (20, 3644292), (24, 3036910), (30, 2429528), (40, 1822146), (48, 1518455), (60, 1214764), (80, 911073), (120, 607382), (240, 303691)]