87439860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{485777}}^1$

素因数の和:485792

約数の個数: 36

約数和(自身を含む): 265234788

約数和(自身を除く): 177794928

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 485777, 971554, 1457331, 1943108, 2428885, 2914662, 4371993, 4857770, 5829324, 7286655, 8743986, 9715540, 14573310, 17487972, 21859965, 29146620, 43719930, 87439860]

約数ペア:

[(1, 87439860), (2, 43719930), (3, 29146620), (4, 21859965), (5, 17487972), (6, 14573310), (9, 9715540), (10, 8743986), (12, 7286655), (15, 5829324), (18, 4857770), (20, 4371993), (30, 2914662), (36, 2428885), (45, 1943108), (60, 1457331), (90, 971554), (180, 485777)]