15988740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{266479}}^1$

素因数の和:266491

約数の個数: 24

約数和(自身を含む): 44768640

約数和(自身を除く): 28779900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 266479, 532958, 799437, 1065916, 1332395, 1598874, 2664790, 3197748, 3997185, 5329580, 7994370, 15988740]

約数ペア:

[(1, 15988740), (2, 7994370), (3, 5329580), (4, 3997185), (5, 3197748), (6, 2664790), (10, 1598874), (12, 1332395), (15, 1065916), (20, 799437), (30, 532958), (60, 266479)]