788732720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{3119}}^1$

素因数の和:3270

約数の個数: 80

約数和(自身を含む): 1915056000

約数和(自身を除く): 1126323280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 109, 116, 145, 218, 232, 290, 436, 464, 545, 580, 872, 1090, 1160, 1744, 2180, 2320, 3119, 3161, 4360, 6238, 6322, 8720, 12476, 12644, 15595, 15805, 24952, 25288, 31190, 31610, 49904, 50576, 62380, 63220, 90451, 124760, 126440, 180902, 249520, 252880, 339971, 361804, 452255, 679942, 723608, 904510, 1359884, 1447216, 1699855, 1809020, 2719768, 3399710, 3618040, 5439536, 6799420, 7236080, 9859159, 13598840, 19718318, 27197680, 39436636, 49295795, 78873272, 98591590, 157746544, 197183180, 394366360, 788732720]

約数ペア:

[(1, 788732720), (2, 394366360), (4, 197183180), (5, 157746544), (8, 98591590), (10, 78873272), (16, 49295795), (20, 39436636), (29, 27197680), (40, 19718318), (58, 13598840), (80, 9859159), (109, 7236080), (116, 6799420), (145, 5439536), (218, 3618040), (232, 3399710), (290, 2719768), (436, 1809020), (464, 1699855), (545, 1447216), (580, 1359884), (872, 904510), (1090, 723608), (1160, 679942), (1744, 452255), (2180, 361804), (2320, 339971), (3119, 252880), (3161, 249520), (4360, 180902), (6238, 126440), (6322, 124760), (8720, 90451), (12476, 63220), (12644, 62380), (15595, 50576), (15805, 49904), (24952, 31610), (25288, 31190)]