81155640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{676297}}^1$

素因数の和:676311

約数の個数: 32

約数和(自身を含む): 243467280

約数和(自身を除く): 162311640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 676297, 1352594, 2028891, 2705188, 3381485, 4057782, 5410376, 6762970, 8115564, 10144455, 13525940, 16231128, 20288910, 27051880, 40577820, 81155640]

約数ペア:

[(1, 81155640), (2, 40577820), (3, 27051880), (4, 20288910), (5, 16231128), (6, 13525940), (8, 10144455), (10, 8115564), (12, 6762970), (15, 5410376), (20, 4057782), (24, 3381485), (30, 2705188), (40, 2028891), (60, 1352594), (120, 676297)]