71155620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{395309}}^1$

素因数の和:395324

約数の個数: 36

約数和(自身を含む): 215839260

約数和(自身を除く): 144683640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 395309, 790618, 1185927, 1581236, 1976545, 2371854, 3557781, 3953090, 4743708, 5929635, 7115562, 7906180, 11859270, 14231124, 17788905, 23718540, 35577810, 71155620]

約数ペア:

[(1, 71155620), (2, 35577810), (3, 23718540), (4, 17788905), (5, 14231124), (6, 11859270), (9, 7906180), (10, 7115562), (12, 5929635), (15, 4743708), (18, 3953090), (20, 3557781), (30, 2371854), (36, 1976545), (45, 1581236), (60, 1185927), (90, 790618), (180, 395309)]