80639220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1343987}}^1$

素因数の和:1343999

約数の個数: 24

約数和(自身を含む): 225789984

約数和(自身を除く): 145150764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1343987, 2687974, 4031961, 5375948, 6719935, 8063922, 13439870, 16127844, 20159805, 26879740, 40319610, 80639220]

約数ペア:

[(1, 80639220), (2, 40319610), (3, 26879740), (4, 20159805), (5, 16127844), (6, 13439870), (10, 8063922), (12, 6719935), (15, 5375948), (20, 4031961), (30, 2687974), (60, 1343987)]