1218999120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5079163}}^1$

素因数の和:5079179

約数の個数: 40

約数和(自身を含む): 3778898016

約数和(自身を除く): 2559898896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5079163, 10158326, 15237489, 20316652, 25395815, 30474978, 40633304, 50791630, 60949956, 76187445, 81266608, 101583260, 121899912, 152374890, 203166520, 243799824, 304749780, 406333040, 609499560, 1218999120]

約数ペア:

[(1, 1218999120), (2, 609499560), (3, 406333040), (4, 304749780), (5, 243799824), (6, 203166520), (8, 152374890), (10, 121899912), (12, 101583260), (15, 81266608), (16, 76187445), (20, 60949956), (24, 50791630), (30, 40633304), (40, 30474978), (48, 25395815), (60, 20316652), (80, 15237489), (120, 10158326), (240, 5079163)]