66658440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{555487}}^1$

素因数の和:555501

約数の個数: 32

約数和(自身を含む): 199975680

約数和(自身を除く): 133317240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 555487, 1110974, 1666461, 2221948, 2777435, 3332922, 4443896, 5554870, 6665844, 8332305, 11109740, 13331688, 16664610, 22219480, 33329220, 66658440]

約数ペア:

[(1, 66658440), (2, 33329220), (3, 22219480), (4, 16664610), (5, 13331688), (6, 11109740), (8, 8332305), (10, 6665844), (12, 5554870), (15, 4443896), (20, 3332922), (24, 2777435), (30, 2221948), (40, 1666461), (60, 1110974), (120, 555487)]