28183680

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{233}}^1$

素因数の和:268

約数の個数: 256

約数和(自身を含む): 114566400

約数和(自身を除く): 86382720

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 233, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 466, 480, 504, 540, 560, 576, 630, 640, 672, 699, 720, 756, 840, 864, 896, 932, 945, 960, 1008, 1080, 1120, 1152, 1165, 1260, 1344, 1398, 1440, 1512, 1631, 1680, 1728, 1864, 1890, 1920, 2016, 2097, 2160, 2240, 2330, 2520, 2688, 2796, 2880, 3024, 3262, 3360, 3456, 3495, 3728, 3780, 4032, 4194, 4320, 4480, 4660, 4893, 5040, 5592, 5760, 6048, 6291, 6524, 6720, 6990, 7456, 7560, 8064, 8155, 8388, 8640, 9320, 9786, 10080, 10485, 11184, 12096, 12582, 13048, 13440, 13980, 14679, 14912, 15120, 16310, 16776, 17280, 18640, 19572, 20160, 20970, 22368, 24192, 24465, 25164, 26096, 27960, 29358, 29824, 30240, 31455, 32620, 33552, 37280, 39144, 40320, 41940, 44037, 44736, 48930, 50328, 52192, 55920, 58716, 60480, 62910, 65240, 67104, 73395, 74560, 78288, 83880, 88074, 89472, 97860, 100656, 104384, 111840, 117432, 120960, 125820, 130480, 134208, 146790, 149120, 156576, 167760, 176148, 195720, 201312, 208768, 220185, 223680, 234864, 251640, 260960, 268416, 293580, 313152, 335520, 352296, 391440, 402624, 440370, 447360, 469728, 503280, 521920, 587160, 626304, 671040, 704592, 782880, 805248, 880740, 939456, 1006560, 1043840, 1174320, 1342080, 1409184, 1565760, 1761480, 1878912, 2013120, 2348640, 2818368, 3131520, 3522960, 4026240, 4697280, 5636736, 7045920, 9394560, 14091840, 28183680]

約数ペア:

[(1, 28183680), (2, 14091840), (3, 9394560), (4, 7045920), (5, 5636736), (6, 4697280), (7, 4026240), (8, 3522960), (9, 3131520), (10, 2818368), (12, 2348640), (14, 2013120), (15, 1878912), (16, 1761480), (18, 1565760), (20, 1409184), (21, 1342080), (24, 1174320), (27, 1043840), (28, 1006560), (30, 939456), (32, 880740), (35, 805248), (36, 782880), (40, 704592), (42, 671040), (45, 626304), (48, 587160), (54, 521920), (56, 503280), (60, 469728), (63, 447360), (64, 440370), (70, 402624), (72, 391440), (80, 352296), (84, 335520), (90, 313152), (96, 293580), (105, 268416), (108, 260960), (112, 251640), (120, 234864), (126, 223680), (128, 220185), (135, 208768), (140, 201312), (144, 195720), (160, 176148), (168, 167760), (180, 156576), (189, 149120), (192, 146790), (210, 134208), (216, 130480), (224, 125820), (233, 120960), (240, 117432), (252, 111840), (270, 104384), (280, 100656), (288, 97860), (315, 89472), (320, 88074), (336, 83880), (360, 78288), (378, 74560), (384, 73395), (420, 67104), (432, 65240), (448, 62910), (466, 60480), (480, 58716), (504, 55920), (540, 52192), (560, 50328), (576, 48930), (630, 44736), (640, 44037), (672, 41940), (699, 40320), (720, 39144), (756, 37280), (840, 33552), (864, 32620), (896, 31455), (932, 30240), (945, 29824), (960, 29358), (1008, 27960), (1080, 26096), (1120, 25164), (1152, 24465), (1165, 24192), (1260, 22368), (1344, 20970), (1398, 20160), (1440, 19572), (1512, 18640), (1631, 17280), (1680, 16776), (1728, 16310), (1864, 15120), (1890, 14912), (1920, 14679), (2016, 13980), (2097, 13440), (2160, 13048), (2240, 12582), (2330, 12096), (2520, 11184), (2688, 10485), (2796, 10080), (2880, 9786), (3024, 9320), (3262, 8640), (3360, 8388), (3456, 8155), (3495, 8064), (3728, 7560), (3780, 7456), (4032, 6990), (4194, 6720), (4320, 6524), (4480, 6291), (4660, 6048), (4893, 5760), (5040, 5592)]