256430280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2136919}}^1$

素因数の和:2136933

約数の個数: 32

約数和(自身を含む): 769291200

約数和(自身を除く): 512860920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2136919, 4273838, 6410757, 8547676, 10684595, 12821514, 17095352, 21369190, 25643028, 32053785, 42738380, 51286056, 64107570, 85476760, 128215140, 256430280]

約数ペア:

[(1, 256430280), (2, 128215140), (3, 85476760), (4, 64107570), (5, 51286056), (6, 42738380), (8, 32053785), (10, 25643028), (12, 21369190), (15, 17095352), (20, 12821514), (24, 10684595), (30, 8547676), (40, 6410757), (60, 4273838), (120, 2136919)]