123768240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515701}}^1$

素因数の和:515717

約数の個数: 40

約数和(自身を含む): 383682288

約数和(自身を除く): 259914048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515701, 1031402, 1547103, 2062804, 2578505, 3094206, 4125608, 5157010, 6188412, 7735515, 8251216, 10314020, 12376824, 15471030, 20628040, 24753648, 30942060, 41256080, 61884120, 123768240]

約数ペア:

[(1, 123768240), (2, 61884120), (3, 41256080), (4, 30942060), (5, 24753648), (6, 20628040), (8, 15471030), (10, 12376824), (12, 10314020), (15, 8251216), (16, 7735515), (20, 6188412), (24, 5157010), (30, 4125608), (40, 3094206), (48, 2578505), (60, 2062804), (80, 1547103), (120, 1031402), (240, 515701)]