2561640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{21347}}^1$

素因数の和:21361

約数の個数: 32

約数和(自身を含む): 7685280

約数和(自身を除く): 5123640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 21347, 42694, 64041, 85388, 106735, 128082, 170776, 213470, 256164, 320205, 426940, 512328, 640410, 853880, 1280820, 2561640]

約数ペア:

[(1, 2561640), (2, 1280820), (3, 853880), (4, 640410), (5, 512328), (6, 426940), (8, 320205), (10, 256164), (12, 213470), (15, 170776), (20, 128082), (24, 106735), (30, 85388), (40, 64041), (60, 42694), (120, 21347)]