180821060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291579}}^1$

素因数の和:1291595

約数の個数: 24

約数和(自身を含む): 433970880

約数和(自身を除く): 253149820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291579, 2583158, 5166316, 6457895, 9041053, 12915790, 18082106, 25831580, 36164212, 45205265, 90410530, 180821060]

約数ペア:

[(1, 180821060), (2, 90410530), (4, 45205265), (5, 36164212), (7, 25831580), (10, 18082106), (14, 12915790), (20, 9041053), (28, 6457895), (35, 5166316), (70, 2583158), (140, 1291579)]