1243760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2221}}^1$

素因数の和:2241

約数の個数: 40

約数和(自身を含む): 3306336

約数和(自身を除く): 2062576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2221, 4442, 8884, 11105, 15547, 17768, 22210, 31094, 35536, 44420, 62188, 77735, 88840, 124376, 155470, 177680, 248752, 310940, 621880, 1243760]

約数ペア:

[(1, 1243760), (2, 621880), (4, 310940), (5, 248752), (7, 177680), (8, 155470), (10, 124376), (14, 88840), (16, 77735), (20, 62188), (28, 44420), (35, 35536), (40, 31094), (56, 22210), (70, 17768), (80, 15547), (112, 11105), (140, 8884), (280, 4442), (560, 2221)]