1311540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21859}}^1$

素因数の和:21871

約数の個数: 24

約数和(自身を含む): 3672480

約数和(自身を除く): 2360940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21859, 43718, 65577, 87436, 109295, 131154, 218590, 262308, 327885, 437180, 655770, 1311540]

約数ペア:

[(1, 1311540), (2, 655770), (3, 437180), (4, 327885), (5, 262308), (6, 218590), (10, 131154), (12, 109295), (15, 87436), (20, 65577), (30, 43718), (60, 21859)]