68707060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31517}}^1$

素因数の和:31635

約数の個数: 24

約数和(自身を含む): 145613160

約数和(自身を除く): 76906100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31517, 63034, 126068, 157585, 315170, 630340, 3435353, 6870706, 13741412, 17176765, 34353530, 68707060]

約数ペア:

[(1, 68707060), (2, 34353530), (4, 17176765), (5, 13741412), (10, 6870706), (20, 3435353), (109, 630340), (218, 315170), (436, 157585), (545, 126068), (1090, 63034), (2180, 31517)]