68558220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{380879}}^1$

素因数の和:380894

約数の個数: 36

約数和(自身を含む): 207960480

約数和(自身を除く): 139402260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 380879, 761758, 1142637, 1523516, 1904395, 2285274, 3427911, 3808790, 4570548, 5713185, 6855822, 7617580, 11426370, 13711644, 17139555, 22852740, 34279110, 68558220]

約数ペア:

[(1, 68558220), (2, 34279110), (3, 22852740), (4, 17139555), (5, 13711644), (6, 11426370), (9, 7617580), (10, 6855822), (12, 5713185), (15, 4570548), (18, 3808790), (20, 3427911), (30, 2285274), (36, 1904395), (45, 1523516), (60, 1142637), (90, 761758), (180, 380879)]