257839320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2148661}}^1$

素因数の和:2148675

約数の個数: 32

約数和(自身を含む): 773518320

約数和(自身を除く): 515679000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2148661, 4297322, 6445983, 8594644, 10743305, 12891966, 17189288, 21486610, 25783932, 32229915, 42973220, 51567864, 64459830, 85946440, 128919660, 257839320]

約数ペア:

[(1, 257839320), (2, 128919660), (3, 85946440), (4, 64459830), (5, 51567864), (6, 42973220), (8, 32229915), (10, 25783932), (12, 21486610), (15, 17189288), (20, 12891966), (24, 10743305), (30, 8594644), (40, 6445983), (60, 4297322), (120, 2148661)]