123907920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{516283}}^1$

素因数の和:516299

約数の個数: 40

約数和(自身を含む): 384115296

約数和(自身を除く): 260207376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 516283, 1032566, 1548849, 2065132, 2581415, 3097698, 4130264, 5162830, 6195396, 7744245, 8260528, 10325660, 12390792, 15488490, 20651320, 24781584, 30976980, 41302640, 61953960, 123907920]

約数ペア:

[(1, 123907920), (2, 61953960), (3, 41302640), (4, 30976980), (5, 24781584), (6, 20651320), (8, 15488490), (10, 12390792), (12, 10325660), (15, 8260528), (16, 7744245), (20, 6195396), (24, 5162830), (30, 4130264), (40, 3097698), (48, 2581415), (60, 2065132), (80, 1548849), (120, 1032566), (240, 516283)]