28667640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{238897}}^1$

素因数の和:238911

約数の個数: 32

約数和(自身を含む): 86003280

約数和(自身を除く): 57335640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 238897, 477794, 716691, 955588, 1194485, 1433382, 1911176, 2388970, 2866764, 3583455, 4777940, 5733528, 7166910, 9555880, 14333820, 28667640]

約数ペア:

[(1, 28667640), (2, 14333820), (3, 9555880), (4, 7166910), (5, 5733528), (6, 4777940), (8, 3583455), (10, 2866764), (12, 2388970), (15, 1911176), (20, 1433382), (24, 1194485), (30, 955588), (40, 716691), (60, 477794), (120, 238897)]