128018880

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 280

約数和(自身を含む): 497890800

約数和(自身を除く): 369871920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 324, 330, 352, 360, 396, 405, 432, 440, 449, 480, 495, 528, 540, 576, 594, 648, 660, 704, 720, 792, 810, 864, 880, 891, 898, 960, 990, 1056, 1080, 1188, 1296, 1320, 1347, 1440, 1485, 1584, 1620, 1728, 1760, 1782, 1796, 1980, 2112, 2160, 2245, 2376, 2592, 2640, 2694, 2880, 2970, 3168, 3240, 3520, 3564, 3592, 3960, 4041, 4320, 4455, 4490, 4752, 4939, 5184, 5280, 5388, 5940, 6336, 6480, 6735, 7128, 7184, 7920, 8082, 8640, 8910, 8980, 9504, 9878, 10560, 10776, 11880, 12123, 12960, 13470, 14256, 14368, 14817, 15840, 16164, 17820, 17960, 19008, 19756, 20205, 21552, 23760, 24246, 24695, 25920, 26940, 28512, 28736, 29634, 31680, 32328, 35640, 35920, 36369, 39512, 40410, 43104, 44451, 47520, 48492, 49390, 53880, 57024, 59268, 60615, 64656, 71280, 71840, 72738, 74085, 79024, 80820, 86208, 88902, 95040, 96984, 98780, 107760, 118536, 121230, 129312, 133353, 142560, 143680, 145476, 148170, 158048, 161640, 177804, 181845, 193968, 197560, 215520, 222255, 237072, 242460, 258624, 266706, 285120, 290952, 296340, 316096, 323280, 355608, 363690, 387936, 395120, 400059, 431040, 444510, 474144, 484920, 533412, 581904, 592680, 646560, 666765, 711216, 727380, 775872, 790240, 800118, 889020, 948288, 969840, 1066824, 1163808, 1185360, 1293120, 1333530, 1422432, 1454760, 1580480, 1600236, 1778040, 1939680, 2000295, 2133648, 2327616, 2370720, 2667060, 2844864, 2909520, 3200472, 3556080, 3879360, 4000590, 4267296, 4741440, 5334120, 5819040, 6400944, 7112160, 8001180, 8534592, 10668240, 11638080, 12801888, 14224320, 16002360, 21336480, 25603776, 32004720, 42672960, 64009440, 128018880]

約数ペア:

[(1, 128018880), (2, 64009440), (3, 42672960), (4, 32004720), (5, 25603776), (6, 21336480), (8, 16002360), (9, 14224320), (10, 12801888), (11, 11638080), (12, 10668240), (15, 8534592), (16, 8001180), (18, 7112160), (20, 6400944), (22, 5819040), (24, 5334120), (27, 4741440), (30, 4267296), (32, 4000590), (33, 3879360), (36, 3556080), (40, 3200472), (44, 2909520), (45, 2844864), (48, 2667060), (54, 2370720), (55, 2327616), (60, 2133648), (64, 2000295), (66, 1939680), (72, 1778040), (80, 1600236), (81, 1580480), (88, 1454760), (90, 1422432), (96, 1333530), (99, 1293120), (108, 1185360), (110, 1163808), (120, 1066824), (132, 969840), (135, 948288), (144, 889020), (160, 800118), (162, 790240), (165, 775872), (176, 727380), (180, 711216), (192, 666765), (198, 646560), (216, 592680), (220, 581904), (240, 533412), (264, 484920), (270, 474144), (288, 444510), (297, 431040), (320, 400059), (324, 395120), (330, 387936), (352, 363690), (360, 355608), (396, 323280), (405, 316096), (432, 296340), (440, 290952), (449, 285120), (480, 266706), (495, 258624), (528, 242460), (540, 237072), (576, 222255), (594, 215520), (648, 197560), (660, 193968), (704, 181845), (720, 177804), (792, 161640), (810, 158048), (864, 148170), (880, 145476), (891, 143680), (898, 142560), (960, 133353), (990, 129312), (1056, 121230), (1080, 118536), (1188, 107760), (1296, 98780), (1320, 96984), (1347, 95040), (1440, 88902), (1485, 86208), (1584, 80820), (1620, 79024), (1728, 74085), (1760, 72738), (1782, 71840), (1796, 71280), (1980, 64656), (2112, 60615), (2160, 59268), (2245, 57024), (2376, 53880), (2592, 49390), (2640, 48492), (2694, 47520), (2880, 44451), (2970, 43104), (3168, 40410), (3240, 39512), (3520, 36369), (3564, 35920), (3592, 35640), (3960, 32328), (4041, 31680), (4320, 29634), (4455, 28736), (4490, 28512), (4752, 26940), (4939, 25920), (5184, 24695), (5280, 24246), (5388, 23760), (5940, 21552), (6336, 20205), (6480, 19756), (6735, 19008), (7128, 17960), (7184, 17820), (7920, 16164), (8082, 15840), (8640, 14817), (8910, 14368), (8980, 14256), (9504, 13470), (9878, 12960), (10560, 12123), (10776, 11880)]