66207720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{551731}}^1$

素因数の和:551745

約数の個数: 32

約数和(自身を含む): 198623520

約数和(自身を除く): 132415800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 551731, 1103462, 1655193, 2206924, 2758655, 3310386, 4413848, 5517310, 6620772, 8275965, 11034620, 13241544, 16551930, 22069240, 33103860, 66207720]

約数ペア:

[(1, 66207720), (2, 33103860), (3, 22069240), (4, 16551930), (5, 13241544), (6, 11034620), (8, 8275965), (10, 6620772), (12, 5517310), (15, 4413848), (20, 3310386), (24, 2758655), (30, 2206924), (40, 1655193), (60, 1103462), (120, 551731)]