257990400

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{1493}}^1$

素因数の和:1528

約数の個数: 216

約数和(自身を含む): 946658160

約数和(自身を除く): 688667760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 432, 450, 480, 540, 576, 600, 640, 675, 720, 768, 800, 864, 900, 960, 1080, 1152, 1200, 1280, 1350, 1440, 1493, 1600, 1728, 1800, 1920, 2160, 2304, 2400, 2700, 2880, 2986, 3200, 3456, 3600, 3840, 4320, 4479, 4800, 5400, 5760, 5972, 6400, 6912, 7200, 7465, 8640, 8958, 9600, 10800, 11520, 11944, 13437, 14400, 14930, 17280, 17916, 19200, 21600, 22395, 23888, 26874, 28800, 29860, 34560, 35832, 37325, 40311, 43200, 44790, 47776, 53748, 57600, 59720, 67185, 71664, 74650, 80622, 86400, 89580, 95552, 107496, 111975, 119440, 134370, 143328, 149300, 161244, 172800, 179160, 191104, 201555, 214992, 223950, 238880, 268740, 286656, 298600, 322488, 335925, 358320, 382208, 403110, 429984, 447900, 477760, 537480, 573312, 597200, 644976, 671850, 716640, 806220, 859968, 895800, 955520, 1007775, 1074960, 1146624, 1194400, 1289952, 1343700, 1433280, 1612440, 1719936, 1791600, 1911040, 2015550, 2149920, 2388800, 2579904, 2687400, 2866560, 3224880, 3439872, 3583200, 4031100, 4299840, 4777600, 5159808, 5374800, 5733120, 6449760, 7166400, 8062200, 8599680, 9555200, 10319616, 10749600, 12899520, 14332800, 16124400, 17199360, 21499200, 25799040, 28665600, 32248800, 42998400, 51598080, 64497600, 85996800, 128995200, 257990400]

約数ペア:

[(1, 257990400), (2, 128995200), (3, 85996800), (4, 64497600), (5, 51598080), (6, 42998400), (8, 32248800), (9, 28665600), (10, 25799040), (12, 21499200), (15, 17199360), (16, 16124400), (18, 14332800), (20, 12899520), (24, 10749600), (25, 10319616), (27, 9555200), (30, 8599680), (32, 8062200), (36, 7166400), (40, 6449760), (45, 5733120), (48, 5374800), (50, 5159808), (54, 4777600), (60, 4299840), (64, 4031100), (72, 3583200), (75, 3439872), (80, 3224880), (90, 2866560), (96, 2687400), (100, 2579904), (108, 2388800), (120, 2149920), (128, 2015550), (135, 1911040), (144, 1791600), (150, 1719936), (160, 1612440), (180, 1433280), (192, 1343700), (200, 1289952), (216, 1194400), (225, 1146624), (240, 1074960), (256, 1007775), (270, 955520), (288, 895800), (300, 859968), (320, 806220), (360, 716640), (384, 671850), (400, 644976), (432, 597200), (450, 573312), (480, 537480), (540, 477760), (576, 447900), (600, 429984), (640, 403110), (675, 382208), (720, 358320), (768, 335925), (800, 322488), (864, 298600), (900, 286656), (960, 268740), (1080, 238880), (1152, 223950), (1200, 214992), (1280, 201555), (1350, 191104), (1440, 179160), (1493, 172800), (1600, 161244), (1728, 149300), (1800, 143328), (1920, 134370), (2160, 119440), (2304, 111975), (2400, 107496), (2700, 95552), (2880, 89580), (2986, 86400), (3200, 80622), (3456, 74650), (3600, 71664), (3840, 67185), (4320, 59720), (4479, 57600), (4800, 53748), (5400, 47776), (5760, 44790), (5972, 43200), (6400, 40311), (6912, 37325), (7200, 35832), (7465, 34560), (8640, 29860), (8958, 28800), (9600, 26874), (10800, 23888), (11520, 22395), (11944, 21600), (13437, 19200), (14400, 17916), (14930, 17280)]