72143910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1999}}^1$

素因数の和:2413

約数の個数: 48

約数和(自身を含む): 188136000

約数和(自身を除く): 115992090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 802, 1203, 1999, 2005, 2406, 3609, 3998, 4010, 5997, 6015, 7218, 9995, 11994, 12030, 17991, 18045, 19990, 29985, 35982, 36090, 59970, 89955, 179910, 801599, 1603198, 2404797, 4007995, 4809594, 7214391, 8015990, 12023985, 14428782, 24047970, 36071955, 72143910]

約数ペア:

[(1, 72143910), (2, 36071955), (3, 24047970), (5, 14428782), (6, 12023985), (9, 8015990), (10, 7214391), (15, 4809594), (18, 4007995), (30, 2404797), (45, 1603198), (90, 801599), (401, 179910), (802, 89955), (1203, 59970), (1999, 36090), (2005, 35982), (2406, 29985), (3609, 19990), (3998, 18045), (4010, 17991), (5997, 12030), (6015, 11994), (7218, 9995)]