16815180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{280253}}^1$

素因数の和:280265

約数の個数: 24

約数和(自身を含む): 47082672

約数和(自身を除く): 30267492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 280253, 560506, 840759, 1121012, 1401265, 1681518, 2802530, 3363036, 4203795, 5605060, 8407590, 16815180]

約数ペア:

[(1, 16815180), (2, 8407590), (3, 5605060), (4, 4203795), (5, 3363036), (6, 2802530), (10, 1681518), (12, 1401265), (15, 1121012), (20, 840759), (30, 560506), (60, 280253)]