28297980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157211}}^1$

素因数の和:157226

約数の個数: 36

約数和(自身を含む): 85837752

約数和(自身を除く): 57539772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157211, 314422, 471633, 628844, 786055, 943266, 1414899, 1572110, 1886532, 2358165, 2829798, 3144220, 4716330, 5659596, 7074495, 9432660, 14148990, 28297980]

約数ペア:

[(1, 28297980), (2, 14148990), (3, 9432660), (4, 7074495), (5, 5659596), (6, 4716330), (9, 3144220), (10, 2829798), (12, 2358165), (15, 1886532), (18, 1572110), (20, 1414899), (30, 943266), (36, 786055), (45, 628844), (60, 471633), (90, 314422), (180, 157211)]