66615080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237911}}^1$

素因数の和:237929

約数の個数: 32

約数和(自身を含む): 171296640

約数和(自身を除く): 104681560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237911, 475822, 951644, 1189555, 1665377, 1903288, 2379110, 3330754, 4758220, 6661508, 8326885, 9516440, 13323016, 16653770, 33307540, 66615080]

約数ペア:

[(1, 66615080), (2, 33307540), (4, 16653770), (5, 13323016), (7, 9516440), (8, 8326885), (10, 6661508), (14, 4758220), (20, 3330754), (28, 2379110), (35, 1903288), (40, 1665377), (56, 1189555), (70, 951644), (140, 475822), (280, 237911)]