81485940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{46831}}^1$

素因数の和:46872

約数の個数: 48

約数和(自身を含む): 236033280

約数和(自身を除く): 154547340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 46831, 93662, 140493, 187324, 234155, 280986, 468310, 561972, 702465, 936620, 1358099, 1404930, 2716198, 2809860, 4074297, 5432396, 6790495, 8148594, 13580990, 16297188, 20371485, 27161980, 40742970, 81485940]

約数ペア:

[(1, 81485940), (2, 40742970), (3, 27161980), (4, 20371485), (5, 16297188), (6, 13580990), (10, 8148594), (12, 6790495), (15, 5432396), (20, 4074297), (29, 2809860), (30, 2716198), (58, 1404930), (60, 1358099), (87, 936620), (116, 702465), (145, 561972), (174, 468310), (290, 280986), (348, 234155), (435, 187324), (580, 140493), (870, 93662), (1740, 46831)]