16431780

素因数分解:

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

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 46368000

約数和(自身を除く): 29936220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 1999, 2055, 2740, 3998, 4110, 5997, 7996, 8220, 9995, 11994, 19990, 23988, 29985, 39980, 59970, 119940, 273863, 547726, 821589, 1095452, 1369315, 1643178, 2738630, 3286356, 4107945, 5477260, 8215890, 16431780]

約数ペア:

[(1, 16431780), (2, 8215890), (3, 5477260), (4, 4107945), (5, 3286356), (6, 2738630), (10, 1643178), (12, 1369315), (15, 1095452), (20, 821589), (30, 547726), (60, 273863), (137, 119940), (274, 59970), (411, 39980), (548, 29985), (685, 23988), (822, 19990), (1370, 11994), (1644, 9995), (1999, 8220), (2055, 7996), (2740, 5997), (3998, 4110)]