80939790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{299777}}^1$

素因数の和:299793

約数の個数: 32

約数和(自身を含む): 215840160

約数和(自身を除く): 134900370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 299777, 599554, 899331, 1498885, 1798662, 2697993, 2997770, 4496655, 5395986, 8093979, 8993310, 13489965, 16187958, 26979930, 40469895, 80939790]

約数ペア:

[(1, 80939790), (2, 40469895), (3, 26979930), (5, 16187958), (6, 13489965), (9, 8993310), (10, 8093979), (15, 5395986), (18, 4496655), (27, 2997770), (30, 2697993), (45, 1798662), (54, 1498885), (90, 899331), (135, 599554), (270, 299777)]