257939160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2149493}}^1$

素因数の和:2149507

約数の個数: 32

約数和(自身を含む): 773817840

約数和(自身を除く): 515878680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2149493, 4298986, 6448479, 8597972, 10747465, 12896958, 17195944, 21494930, 25793916, 32242395, 42989860, 51587832, 64484790, 85979720, 128969580, 257939160]

約数ペア:

[(1, 257939160), (2, 128969580), (3, 85979720), (4, 64484790), (5, 51587832), (6, 42989860), (8, 32242395), (10, 25793916), (12, 21494930), (15, 17195944), (20, 12896958), (24, 10747465), (30, 8597972), (40, 6448479), (60, 4298986), (120, 2149493)]