81684060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1361401}}^1$

素因数の和:1361413

約数の個数: 24

約数和(自身を含む): 228715536

約数和(自身を除く): 147031476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1361401, 2722802, 4084203, 5445604, 6807005, 8168406, 13614010, 16336812, 20421015, 27228020, 40842030, 81684060]

約数ペア:

[(1, 81684060), (2, 40842030), (3, 27228020), (4, 20421015), (5, 16336812), (6, 13614010), (10, 8168406), (12, 6807005), (15, 5445604), (20, 4084203), (30, 2722802), (60, 1361401)]