720291320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2572469}}^1$

素因数の和:2572487

約数の個数: 32

約数和(自身を含む): 1852178400

約数和(自身を除く): 1131887080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2572469, 5144938, 10289876, 12862345, 18007283, 20579752, 25724690, 36014566, 51449380, 72029132, 90036415, 102898760, 144058264, 180072830, 360145660, 720291320]

約数ペア:

[(1, 720291320), (2, 360145660), (4, 180072830), (5, 144058264), (7, 102898760), (8, 90036415), (10, 72029132), (14, 51449380), (20, 36014566), (28, 25724690), (35, 20579752), (40, 18007283), (56, 12862345), (70, 10289876), (140, 5144938), (280, 2572469)]