138794160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{578309}}^1$

素因数の和:578325

約数の個数: 40

約数和(自身を含む): 430262640

約数和(自身を除く): 291468480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 578309, 1156618, 1734927, 2313236, 2891545, 3469854, 4626472, 5783090, 6939708, 8674635, 9252944, 11566180, 13879416, 17349270, 23132360, 27758832, 34698540, 46264720, 69397080, 138794160]

約数ペア:

[(1, 138794160), (2, 69397080), (3, 46264720), (4, 34698540), (5, 27758832), (6, 23132360), (8, 17349270), (10, 13879416), (12, 11566180), (15, 9252944), (16, 8674635), (20, 6939708), (24, 5783090), (30, 4626472), (40, 3469854), (48, 2891545), (60, 2313236), (80, 1734927), (120, 1156618), (240, 578309)]