128515740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2141929}}^1$

素因数の和:2141941

約数の個数: 24

約数和(自身を含む): 359844240

約数和(自身を除く): 231328500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2141929, 4283858, 6425787, 8567716, 10709645, 12851574, 21419290, 25703148, 32128935, 42838580, 64257870, 128515740]

約数ペア:

[(1, 128515740), (2, 64257870), (3, 42838580), (4, 32128935), (5, 25703148), (6, 21419290), (10, 12851574), (12, 10709645), (15, 8567716), (20, 6425787), (30, 4283858), (60, 2141929)]