247585920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{128951}}^1$

素因数の和:128973

約数の個数: 64

約数和(自身を含む): 789186240

約数和(自身を除く): 541600320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 128951, 257902, 386853, 515804, 644755, 773706, 1031608, 1289510, 1547412, 1934265, 2063216, 2579020, 3094824, 3868530, 4126432, 5158040, 6189648, 7737060, 8252864, 10316080, 12379296, 15474120, 16505728, 20632160, 24758592, 30948240, 41264320, 49517184, 61896480, 82528640, 123792960, 247585920]

約数ペア:

[(1, 247585920), (2, 123792960), (3, 82528640), (4, 61896480), (5, 49517184), (6, 41264320), (8, 30948240), (10, 24758592), (12, 20632160), (15, 16505728), (16, 15474120), (20, 12379296), (24, 10316080), (30, 8252864), (32, 7737060), (40, 6189648), (48, 5158040), (60, 4126432), (64, 3868530), (80, 3094824), (96, 2579020), (120, 2063216), (128, 1934265), (160, 1547412), (192, 1289510), (240, 1031608), (320, 773706), (384, 644755), (480, 515804), (640, 386853), (960, 257902), (1920, 128951)]