8215890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 19872000

約数和(自身を除く): 11656110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 1999, 2055, 3998, 4110, 5997, 9995, 11994, 19990, 29985, 59970, 273863, 547726, 821589, 1369315, 1643178, 2738630, 4107945, 8215890]

約数ペア:

[(1, 8215890), (2, 4107945), (3, 2738630), (5, 1643178), (6, 1369315), (10, 821589), (15, 547726), (30, 273863), (137, 59970), (274, 29985), (411, 19990), (685, 11994), (822, 9995), (1370, 5997), (1999, 4110), (2055, 3998)]