81198660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353311}}^1$

素因数の和:1353323

約数の個数: 24

約数和(自身を含む): 227356416

約数和(自身を除く): 146157756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353311, 2706622, 4059933, 5413244, 6766555, 8119866, 13533110, 16239732, 20299665, 27066220, 40599330, 81198660]

約数ペア:

[(1, 81198660), (2, 40599330), (3, 27066220), (4, 20299665), (5, 16239732), (6, 13533110), (10, 8119866), (12, 6766555), (15, 5413244), (20, 4059933), (30, 2706622), (60, 1353311)]