28260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 86268

約数和(自身を除く): 58008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 9420, 14130, 28260]

約数ペア:

[(1, 28260), (2, 14130), (3, 9420), (4, 7065), (5, 5652), (6, 4710), (9, 3140), (10, 2826), (12, 2355), (15, 1884), (18, 1570), (20, 1413), (30, 942), (36, 785), (45, 628), (60, 471), (90, 314), (157, 180)]