3721480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13291}}^1$

素因数の和:13309

約数の個数: 32

約数和(自身を含む): 9570240

約数和(自身を除く): 5848760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 13291, 26582, 53164, 66455, 93037, 106328, 132910, 186074, 265820, 372148, 465185, 531640, 744296, 930370, 1860740, 3721480]

約数ペア:

[(1, 3721480), (2, 1860740), (4, 930370), (5, 744296), (7, 531640), (8, 465185), (10, 372148), (14, 265820), (20, 186074), (28, 132910), (35, 106328), (40, 93037), (56, 66455), (70, 53164), (140, 26582), (280, 13291)]