67065880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239521}}^1$

素因数の和:239539

約数の個数: 32

約数和(自身を含む): 172455840

約数和(自身を除く): 105389960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 239521, 479042, 958084, 1197605, 1676647, 1916168, 2395210, 3353294, 4790420, 6706588, 8383235, 9580840, 13413176, 16766470, 33532940, 67065880]

約数ペア:

[(1, 67065880), (2, 33532940), (4, 16766470), (5, 13413176), (7, 9580840), (8, 8383235), (10, 6706588), (14, 4790420), (20, 3353294), (28, 2395210), (35, 1916168), (40, 1676647), (56, 1197605), (70, 958084), (140, 479042), (280, 239521)]