86519640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{720997}}^1$

素因数の和:721011

約数の個数: 32

約数和(自身を含む): 259559280

約数和(自身を除く): 173039640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 720997, 1441994, 2162991, 2883988, 3604985, 4325982, 5767976, 7209970, 8651964, 10814955, 14419940, 17303928, 21629910, 28839880, 43259820, 86519640]

約数ペア:

[(1, 86519640), (2, 43259820), (3, 28839880), (4, 21629910), (5, 17303928), (6, 14419940), (8, 10814955), (10, 8651964), (12, 7209970), (15, 5767976), (20, 4325982), (24, 3604985), (30, 2883988), (40, 2162991), (60, 1441994), (120, 720997)]