123738960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515579}}^1$

素因数の和:515595

約数の個数: 40

約数和(自身を含む): 383591520

約数和(自身を除く): 259852560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515579, 1031158, 1546737, 2062316, 2577895, 3093474, 4124632, 5155790, 6186948, 7733685, 8249264, 10311580, 12373896, 15467370, 20623160, 24747792, 30934740, 41246320, 61869480, 123738960]

約数ペア:

[(1, 123738960), (2, 61869480), (3, 41246320), (4, 30934740), (5, 24747792), (6, 20623160), (8, 15467370), (10, 12373896), (12, 10311580), (15, 8249264), (16, 7733685), (20, 6186948), (24, 5155790), (30, 4124632), (40, 3093474), (48, 2577895), (60, 2062316), (80, 1546737), (120, 1031158), (240, 515579)]