85591980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{475511}}^1$

素因数の和:475526

約数の個数: 36

約数和(自身を含む): 259629552

約数和(自身を除く): 174037572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 475511, 951022, 1426533, 1902044, 2377555, 2853066, 4279599, 4755110, 5706132, 7132665, 8559198, 9510220, 14265330, 17118396, 21397995, 28530660, 42795990, 85591980]

約数ペア:

[(1, 85591980), (2, 42795990), (3, 28530660), (4, 21397995), (5, 17118396), (6, 14265330), (9, 9510220), (10, 8559198), (12, 7132665), (15, 5706132), (18, 4755110), (20, 4279599), (30, 2853066), (36, 2377555), (45, 1902044), (60, 1426533), (90, 951022), (180, 475511)]