72364880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129223}}^1$

素因数の和:129243

約数の個数: 40

約数和(自身を含む): 192285312

約数和(自身を除く): 119920432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129223, 258446, 516892, 646115, 904561, 1033784, 1292230, 1809122, 2067568, 2584460, 3618244, 4522805, 5168920, 7236488, 9045610, 10337840, 14472976, 18091220, 36182440, 72364880]

約数ペア:

[(1, 72364880), (2, 36182440), (4, 18091220), (5, 14472976), (7, 10337840), (8, 9045610), (10, 7236488), (14, 5168920), (16, 4522805), (20, 3618244), (28, 2584460), (35, 2067568), (40, 1809122), (56, 1292230), (70, 1033784), (80, 904561), (112, 646115), (140, 516892), (280, 258446), (560, 129223)]