81484020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{452689}}^1$

素因数の和:452704

約数の個数: 36

約数和(自身を含む): 247168740

約数和(自身を除く): 165684720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 452689, 905378, 1358067, 1810756, 2263445, 2716134, 4074201, 4526890, 5432268, 6790335, 8148402, 9053780, 13580670, 16296804, 20371005, 27161340, 40742010, 81484020]

約数ペア:

[(1, 81484020), (2, 40742010), (3, 27161340), (4, 20371005), (5, 16296804), (6, 13580670), (9, 9053780), (10, 8148402), (12, 6790335), (15, 5432268), (18, 4526890), (20, 4074201), (30, 2716134), (36, 2263445), (45, 1810756), (60, 1358067), (90, 905378), (180, 452689)]