68139180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{378551}}^1$

素因数の和:378566

約数の個数: 36

約数和(自身を含む): 206689392

約数和(自身を除く): 138550212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 378551, 757102, 1135653, 1514204, 1892755, 2271306, 3406959, 3785510, 4542612, 5678265, 6813918, 7571020, 11356530, 13627836, 17034795, 22713060, 34069590, 68139180]

約数ペア:

[(1, 68139180), (2, 34069590), (3, 22713060), (4, 17034795), (5, 13627836), (6, 11356530), (9, 7571020), (10, 6813918), (12, 5678265), (15, 4542612), (18, 3785510), (20, 3406959), (30, 2271306), (36, 1892755), (45, 1514204), (60, 1135653), (90, 757102), (180, 378551)]