320565560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1144877}}^1$

素因数の和:1144895

約数の個数: 32

約数和(自身を含む): 824312160

約数和(自身を除く): 503746600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1144877, 2289754, 4579508, 5724385, 8014139, 9159016, 11448770, 16028278, 22897540, 32056556, 40070695, 45795080, 64113112, 80141390, 160282780, 320565560]

約数ペア:

[(1, 320565560), (2, 160282780), (4, 80141390), (5, 64113112), (7, 45795080), (8, 40070695), (10, 32056556), (14, 22897540), (20, 16028278), (28, 11448770), (35, 9159016), (40, 8014139), (56, 5724385), (70, 4579508), (140, 2289754), (280, 1144877)]