279205920

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{1319}}^1$

素因数の和:1357

約数の個数: 288

約数和(自身を含む): 1137628800

約数和(自身を除く): 858422880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1260, 1319, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2352, 2520, 2638, 2646, 2940, 3024, 3360, 3528, 3780, 3920, 3957, 4320, 4410, 4704, 5040, 5276, 5292, 5880, 6048, 6595, 6615, 7056, 7560, 7840, 7914, 8820, 9233, 10080, 10552, 10584, 11760, 11871, 13190, 13230, 14112, 15120, 15828, 17640, 18466, 19785, 21104, 21168, 23520, 23742, 26380, 26460, 27699, 30240, 31656, 35280, 35613, 36932, 39570, 42208, 42336, 46165, 47484, 52760, 52920, 55398, 59355, 63312, 64631, 70560, 71226, 73864, 79140, 83097, 92330, 94968, 105520, 105840, 110796, 118710, 126624, 129262, 138495, 142452, 147728, 158280, 166194, 178065, 184660, 189936, 193893, 211040, 211680, 221592, 237420, 249291, 258524, 276990, 284904, 295456, 316560, 323155, 332388, 356130, 369320, 379872, 387786, 415485, 443184, 474840, 498582, 517048, 553980, 569808, 581679, 633120, 646310, 664776, 712260, 738640, 775572, 830970, 886368, 949680, 969465, 997164, 1034096, 1107960, 1139616, 1163358, 1246455, 1292620, 1329552, 1424520, 1477280, 1551144, 1661940, 1745037, 1899360, 1938930, 1994328, 2068192, 2215920, 2326716, 2492910, 2585240, 2659104, 2849040, 2908395, 3102288, 3323880, 3490074, 3877860, 3988656, 4431840, 4653432, 4985820, 5170480, 5698080, 5816790, 6204576, 6647760, 6980148, 7755720, 7977312, 8725185, 9306864, 9971640, 10340960, 11633580, 13295520, 13960296, 15511440, 17450370, 18613728, 19943280, 23267160, 27920592, 31022880, 34900740, 39886560, 46534320, 55841184, 69801480, 93068640, 139602960, 279205920]

約数ペア:

[(1, 279205920), (2, 139602960), (3, 93068640), (4, 69801480), (5, 55841184), (6, 46534320), (7, 39886560), (8, 34900740), (9, 31022880), (10, 27920592), (12, 23267160), (14, 19943280), (15, 18613728), (16, 17450370), (18, 15511440), (20, 13960296), (21, 13295520), (24, 11633580), (27, 10340960), (28, 9971640), (30, 9306864), (32, 8725185), (35, 7977312), (36, 7755720), (40, 6980148), (42, 6647760), (45, 6204576), (48, 5816790), (49, 5698080), (54, 5170480), (56, 4985820), (60, 4653432), (63, 4431840), (70, 3988656), (72, 3877860), (80, 3490074), (84, 3323880), (90, 3102288), (96, 2908395), (98, 2849040), (105, 2659104), (108, 2585240), (112, 2492910), (120, 2326716), (126, 2215920), (135, 2068192), (140, 1994328), (144, 1938930), (147, 1899360), (160, 1745037), (168, 1661940), (180, 1551144), (189, 1477280), (196, 1424520), (210, 1329552), (216, 1292620), (224, 1246455), (240, 1163358), (245, 1139616), (252, 1107960), (270, 1034096), (280, 997164), (288, 969465), (294, 949680), (315, 886368), (336, 830970), (360, 775572), (378, 738640), (392, 712260), (420, 664776), (432, 646310), (441, 633120), (480, 581679), (490, 569808), (504, 553980), (540, 517048), (560, 498582), (588, 474840), (630, 443184), (672, 415485), (720, 387786), (735, 379872), (756, 369320), (784, 356130), (840, 332388), (864, 323155), (882, 316560), (945, 295456), (980, 284904), (1008, 276990), (1080, 258524), (1120, 249291), (1176, 237420), (1260, 221592), (1319, 211680), (1323, 211040), (1440, 193893), (1470, 189936), (1512, 184660), (1568, 178065), (1680, 166194), (1764, 158280), (1890, 147728), (1960, 142452), (2016, 138495), (2160, 129262), (2205, 126624), (2352, 118710), (2520, 110796), (2638, 105840), (2646, 105520), (2940, 94968), (3024, 92330), (3360, 83097), (3528, 79140), (3780, 73864), (3920, 71226), (3957, 70560), (4320, 64631), (4410, 63312), (4704, 59355), (5040, 55398), (5276, 52920), (5292, 52760), (5880, 47484), (6048, 46165), (6595, 42336), (6615, 42208), (7056, 39570), (7560, 36932), (7840, 35613), (7914, 35280), (8820, 31656), (9233, 30240), (10080, 27699), (10552, 26460), (10584, 26380), (11760, 23742), (11871, 23520), (13190, 21168), (13230, 21104), (14112, 19785), (15120, 18466), (15828, 17640)]