254278080

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12613}}^1$

素因数の和:12643

約数の個数: 168

約数和(自身を含む): 999634272

約数和(自身を除く): 745356192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 12613, 20160, 25226, 37839, 50452, 63065, 75678, 88291, 100904, 113517, 126130, 151356, 176582, 189195, 201808, 227034, 252260, 264873, 302712, 353164, 378390, 403616, 441455, 454068, 504520, 529746, 567585, 605424, 706328, 756780, 794619, 807232, 882910, 908136, 1009040, 1059492, 1135170, 1210848, 1324365, 1412656, 1513560, 1589238, 1765820, 1816272, 2018080, 2118984, 2270340, 2421696, 2648730, 2825312, 3027120, 3178476, 3531640, 3632544, 3973095, 4036160, 4237968, 4540680, 5297460, 5650624, 6054240, 6356952, 7063280, 7265088, 7946190, 8475936, 9081360, 10594920, 12108480, 12713904, 14126560, 15892380, 16951872, 18162720, 21189840, 25427808, 28253120, 31784760, 36325440, 42379680, 50855616, 63569520, 84759360, 127139040, 254278080]

約数ペア:

[(1, 254278080), (2, 127139040), (3, 84759360), (4, 63569520), (5, 50855616), (6, 42379680), (7, 36325440), (8, 31784760), (9, 28253120), (10, 25427808), (12, 21189840), (14, 18162720), (15, 16951872), (16, 15892380), (18, 14126560), (20, 12713904), (21, 12108480), (24, 10594920), (28, 9081360), (30, 8475936), (32, 7946190), (35, 7265088), (36, 7063280), (40, 6356952), (42, 6054240), (45, 5650624), (48, 5297460), (56, 4540680), (60, 4237968), (63, 4036160), (64, 3973095), (70, 3632544), (72, 3531640), (80, 3178476), (84, 3027120), (90, 2825312), (96, 2648730), (105, 2421696), (112, 2270340), (120, 2118984), (126, 2018080), (140, 1816272), (144, 1765820), (160, 1589238), (168, 1513560), (180, 1412656), (192, 1324365), (210, 1210848), (224, 1135170), (240, 1059492), (252, 1009040), (280, 908136), (288, 882910), (315, 807232), (320, 794619), (336, 756780), (360, 706328), (420, 605424), (448, 567585), (480, 529746), (504, 504520), (560, 454068), (576, 441455), (630, 403616), (672, 378390), (720, 353164), (840, 302712), (960, 264873), (1008, 252260), (1120, 227034), (1260, 201808), (1344, 189195), (1440, 176582), (1680, 151356), (2016, 126130), (2240, 113517), (2520, 100904), (2880, 88291), (3360, 75678), (4032, 63065), (5040, 50452), (6720, 37839), (10080, 25226), (12613, 20160)]