81868620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1364477}}^1$

素因数の和:1364489

約数の個数: 24

約数和(自身を含む): 229232304

約数和(自身を除く): 147363684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1364477, 2728954, 4093431, 5457908, 6822385, 8186862, 13644770, 16373724, 20467155, 27289540, 40934310, 81868620]

約数ペア:

[(1, 81868620), (2, 40934310), (3, 27289540), (4, 20467155), (5, 16373724), (6, 13644770), (10, 8186862), (12, 6822385), (15, 5457908), (20, 4093431), (30, 2728954), (60, 1364477)]