15815380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{112967}}^1$

素因数の和:112983

約数の個数: 24

約数和(自身を含む): 37957248

約数和(自身を除く): 22141868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 112967, 225934, 451868, 564835, 790769, 1129670, 1581538, 2259340, 3163076, 3953845, 7907690, 15815380]

約数ペア:

[(1, 15815380), (2, 7907690), (4, 3953845), (5, 3163076), (7, 2259340), (10, 1581538), (14, 1129670), (20, 790769), (28, 564835), (35, 451868), (70, 225934), (140, 112967)]