68905280

素因数分解:

$2^6\times 5^1\times {\mathrm{215329}}^1$

素因数の和:215346

約数の個数: 28

約数和(自身を含む): 164081460

約数和(自身を除く): 95176180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 215329, 430658, 861316, 1076645, 1722632, 2153290, 3445264, 4306580, 6890528, 8613160, 13781056, 17226320, 34452640, 68905280]

約数ペア:

[(1, 68905280), (2, 34452640), (4, 17226320), (5, 13781056), (8, 8613160), (10, 6890528), (16, 4306580), (20, 3445264), (32, 2153290), (40, 1722632), (64, 1076645), (80, 861316), (160, 430658), (320, 215329)]