428289120

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{4721}}^1$

素因数の和:4755

約数の個数: 240

約数和(自身を含む): 1727798688

約数和(自身を除く): 1299509568

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, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 4721, 5040, 5670, 6048, 6480, 7560, 9072, 9442, 10080, 11340, 12960, 14163, 15120, 18144, 18884, 22680, 23605, 28326, 30240, 33047, 37768, 42489, 45360, 47210, 56652, 66094, 70815, 75536, 84978, 90720, 94420, 99141, 113304, 127467, 132188, 141630, 151072, 165235, 169956, 188840, 198282, 212445, 226608, 254934, 264376, 283260, 297423, 330470, 339912, 377680, 382401, 396564, 424890, 453216, 495705, 509868, 528752, 566520, 594846, 637335, 660940, 679824, 755360, 764802, 793128, 849780, 892269, 991410, 1019736, 1057504, 1133040, 1189692, 1274670, 1321880, 1359648, 1487115, 1529604, 1586256, 1699560, 1784538, 1912005, 1982820, 2039472, 2266080, 2379384, 2549340, 2643760, 2676807, 2974230, 3059208, 3172512, 3399120, 3569076, 3824010, 3965640, 4078944, 4461345, 4758768, 5098680, 5287520, 5353614, 5948460, 6118416, 6798240, 7138152, 7648020, 7931280, 8922690, 9517536, 10197360, 10707228, 11896920, 12236832, 13384035, 14276304, 15296040, 15862560, 17845380, 20394720, 21414456, 23793840, 26768070, 28552608, 30592080, 35690760, 42828912, 47587680, 53536140, 61184160, 71381520, 85657824, 107072280, 142763040, 214144560, 428289120]

約数ペア:

[(1, 428289120), (2, 214144560), (3, 142763040), (4, 107072280), (5, 85657824), (6, 71381520), (7, 61184160), (8, 53536140), (9, 47587680), (10, 42828912), (12, 35690760), (14, 30592080), (15, 28552608), (16, 26768070), (18, 23793840), (20, 21414456), (21, 20394720), (24, 17845380), (27, 15862560), (28, 15296040), (30, 14276304), (32, 13384035), (35, 12236832), (36, 11896920), (40, 10707228), (42, 10197360), (45, 9517536), (48, 8922690), (54, 7931280), (56, 7648020), (60, 7138152), (63, 6798240), (70, 6118416), (72, 5948460), (80, 5353614), (81, 5287520), (84, 5098680), (90, 4758768), (96, 4461345), (105, 4078944), (108, 3965640), (112, 3824010), (120, 3569076), (126, 3399120), (135, 3172512), (140, 3059208), (144, 2974230), (160, 2676807), (162, 2643760), (168, 2549340), (180, 2379384), (189, 2266080), (210, 2039472), (216, 1982820), (224, 1912005), (240, 1784538), (252, 1699560), (270, 1586256), (280, 1529604), (288, 1487115), (315, 1359648), (324, 1321880), (336, 1274670), (360, 1189692), (378, 1133040), (405, 1057504), (420, 1019736), (432, 991410), (480, 892269), (504, 849780), (540, 793128), (560, 764802), (567, 755360), (630, 679824), (648, 660940), (672, 637335), (720, 594846), (756, 566520), (810, 528752), (840, 509868), (864, 495705), (945, 453216), (1008, 424890), (1080, 396564), (1120, 382401), (1134, 377680), (1260, 339912), (1296, 330470), (1440, 297423), (1512, 283260), (1620, 264376), (1680, 254934), (1890, 226608), (2016, 212445), (2160, 198282), (2268, 188840), (2520, 169956), (2592, 165235), (2835, 151072), (3024, 141630), (3240, 132188), (3360, 127467), (3780, 113304), (4320, 99141), (4536, 94420), (4721, 90720), (5040, 84978), (5670, 75536), (6048, 70815), (6480, 66094), (7560, 56652), (9072, 47210), (9442, 45360), (10080, 42489), (11340, 37768), (12960, 33047), (14163, 30240), (15120, 28326), (18144, 23605), (18884, 22680)]