144645707120

素因数分解:

$2^4\times 5^1\times {\mathrm{1808071339}}^1$

素因数の和:1808071352

約数の個数: 20

約数和(自身を含む): 336301269240

約数和(自身を除く): 191655562120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1808071339, 3616142678, 7232285356, 9040356695, 14464570712, 18080713390, 28929141424, 36161426780, 72322853560, 144645707120]

約数ペア:

[(1, 144645707120), (2, 72322853560), (4, 36161426780), (5, 28929141424), (8, 18080713390), (10, 14464570712), (16, 9040356695), (20, 7232285356), (40, 3616142678), (80, 1808071339)]