2581230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 6249600

約数和(自身を除く): 3668370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 619, 695, 834, 1238, 1390, 1857, 2085, 3095, 3714, 4170, 6190, 9285, 18570, 86041, 172082, 258123, 430205, 516246, 860410, 1290615, 2581230]

約数ペア:

[(1, 2581230), (2, 1290615), (3, 860410), (5, 516246), (6, 430205), (10, 258123), (15, 172082), (30, 86041), (139, 18570), (278, 9285), (417, 6190), (619, 4170), (695, 3714), (834, 3095), (1238, 2085), (1390, 1857)]