138621360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{577589}}^1$

素因数の和:577605

約数の個数: 40

約数和(自身を含む): 429726960

約数和(自身を除く): 291105600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 577589, 1155178, 1732767, 2310356, 2887945, 3465534, 4620712, 5775890, 6931068, 8663835, 9241424, 11551780, 13862136, 17327670, 23103560, 27724272, 34655340, 46207120, 69310680, 138621360]

約数ペア:

[(1, 138621360), (2, 69310680), (3, 46207120), (4, 34655340), (5, 27724272), (6, 23103560), (8, 17327670), (10, 13862136), (12, 11551780), (15, 9241424), (16, 8663835), (20, 6931068), (24, 5775890), (30, 4620712), (40, 3465534), (48, 2887945), (60, 2310356), (80, 1732767), (120, 1155178), (240, 577589)]