81801440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73037}}^1$

素因数の和:73059

約数の個数: 48

約数和(自身を含む): 220866912

約数和(自身を除く): 139065472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 73037, 146074, 292148, 365185, 511259, 584296, 730370, 1022518, 1168592, 1460740, 2045036, 2337184, 2556295, 2921480, 4090072, 5112590, 5842960, 8180144, 10225180, 11685920, 16360288, 20450360, 40900720, 81801440]

約数ペア:

[(1, 81801440), (2, 40900720), (4, 20450360), (5, 16360288), (7, 11685920), (8, 10225180), (10, 8180144), (14, 5842960), (16, 5112590), (20, 4090072), (28, 2921480), (32, 2556295), (35, 2337184), (40, 2045036), (56, 1460740), (70, 1168592), (80, 1022518), (112, 730370), (140, 584296), (160, 511259), (224, 365185), (280, 292148), (560, 146074), (1120, 73037)]