128567320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{459169}}^1$

素因数の和:459187

約数の個数: 32

約数和(自身を含む): 330602400

約数和(自身を除く): 202035080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 459169, 918338, 1836676, 2295845, 3214183, 3673352, 4591690, 6428366, 9183380, 12856732, 16070915, 18366760, 25713464, 32141830, 64283660, 128567320]

約数ペア:

[(1, 128567320), (2, 64283660), (4, 32141830), (5, 25713464), (7, 18366760), (8, 16070915), (10, 12856732), (14, 9183380), (20, 6428366), (28, 4591690), (35, 3673352), (40, 3214183), (56, 2295845), (70, 1836676), (140, 918338), (280, 459169)]