12640440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{105337}}^1$

素因数の和:105351

約数の個数: 32

約数和(自身を含む): 37921680

約数和(自身を除く): 25281240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 105337, 210674, 316011, 421348, 526685, 632022, 842696, 1053370, 1264044, 1580055, 2106740, 2528088, 3160110, 4213480, 6320220, 12640440]

約数ペア:

[(1, 12640440), (2, 6320220), (3, 4213480), (4, 3160110), (5, 2528088), (6, 2106740), (8, 1580055), (10, 1264044), (12, 1053370), (15, 842696), (20, 632022), (24, 526685), (30, 421348), (40, 316011), (60, 210674), (120, 105337)]