15341240

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{911}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 34637760

約数和(自身を除く): 19296520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 911, 1684, 1822, 2105, 3368, 3644, 4210, 4555, 7288, 8420, 9110, 16840, 18220, 36440, 383531, 767062, 1534124, 1917655, 3068248, 3835310, 7670620, 15341240]

約数ペア:

[(1, 15341240), (2, 7670620), (4, 3835310), (5, 3068248), (8, 1917655), (10, 1534124), (20, 767062), (40, 383531), (421, 36440), (842, 18220), (911, 16840), (1684, 9110), (1822, 8420), (2105, 7288), (3368, 4555), (3644, 4210)]