255578520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2129821}}^1$

素因数の和:2129835

約数の個数: 32

約数和(自身を含む): 766735920

約数和(自身を除く): 511157400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2129821, 4259642, 6389463, 8519284, 10649105, 12778926, 17038568, 21298210, 25557852, 31947315, 42596420, 51115704, 63894630, 85192840, 127789260, 255578520]

約数ペア:

[(1, 255578520), (2, 127789260), (3, 85192840), (4, 63894630), (5, 51115704), (6, 42596420), (8, 31947315), (10, 25557852), (12, 21298210), (15, 17038568), (20, 12778926), (24, 10649105), (30, 8519284), (40, 6389463), (60, 4259642), (120, 2129821)]