15789420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{87719}}^1$

素因数の和:87734

約数の個数: 36

約数和(自身を含む): 47895120

約数和(自身を除く): 32105700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 87719, 175438, 263157, 350876, 438595, 526314, 789471, 877190, 1052628, 1315785, 1578942, 1754380, 2631570, 3157884, 3947355, 5263140, 7894710, 15789420]

約数ペア:

[(1, 15789420), (2, 7894710), (3, 5263140), (4, 3947355), (5, 3157884), (6, 2631570), (9, 1754380), (10, 1578942), (12, 1315785), (15, 1052628), (18, 877190), (20, 789471), (30, 526314), (36, 438595), (45, 350876), (60, 263157), (90, 175438), (180, 87719)]