81748620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{454159}}^1$

素因数の和:454174

約数の個数: 36

約数和(自身を含む): 247971360

約数和(自身を除く): 166222740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 454159, 908318, 1362477, 1816636, 2270795, 2724954, 4087431, 4541590, 5449908, 6812385, 8174862, 9083180, 13624770, 16349724, 20437155, 27249540, 40874310, 81748620]

約数ペア:

[(1, 81748620), (2, 40874310), (3, 27249540), (4, 20437155), (5, 16349724), (6, 13624770), (9, 9083180), (10, 8174862), (12, 6812385), (15, 5449908), (18, 4541590), (20, 4087431), (30, 2724954), (36, 2270795), (45, 1816636), (60, 1362477), (90, 908318), (180, 454159)]