285707520

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{1181}}^1$

素因数の和:1218

約数の個数: 288

約数和(自身を含む): 1159683840

約数和(自身を除く): 873976320

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, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1181, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2362, 2520, 2688, 2880, 3024, 3360, 3456, 3543, 3780, 3840, 4032, 4320, 4480, 4724, 5040, 5376, 5760, 5905, 6048, 6720, 6912, 7086, 7560, 8064, 8267, 8640, 8960, 9448, 10080, 10629, 11520, 11810, 12096, 13440, 14172, 15120, 16128, 16534, 17280, 17715, 18896, 20160, 21258, 23620, 24192, 24801, 26880, 28344, 30240, 31887, 33068, 34560, 35430, 37792, 40320, 41335, 42516, 47240, 48384, 49602, 53145, 56688, 60480, 63774, 66136, 70860, 74403, 75584, 80640, 82670, 85032, 94480, 99204, 106290, 113376, 120960, 124005, 127548, 132272, 141720, 148806, 151168, 159435, 165340, 170064, 188960, 198408, 212580, 223209, 226752, 241920, 248010, 255096, 264544, 283440, 297612, 302336, 318870, 330680, 340128, 372015, 377920, 396816, 425160, 446418, 453504, 496020, 510192, 529088, 566880, 595224, 637740, 661360, 680256, 744030, 755840, 793632, 850320, 892836, 907008, 992040, 1020384, 1058176, 1116045, 1133760, 1190448, 1275480, 1322720, 1360512, 1488060, 1511680, 1587264, 1700640, 1785672, 1984080, 2040768, 2116352, 2232090, 2267520, 2380896, 2550960, 2645440, 2721024, 2976120, 3174528, 3401280, 3571344, 3968160, 4081536, 4464180, 4535040, 4761792, 5101920, 5290880, 5952240, 6349056, 6802560, 7142688, 7936320, 8163072, 8928360, 9523584, 10203840, 10581760, 11904480, 13605120, 14285376, 15872640, 17856720, 19047168, 20407680, 23808960, 28570752, 31745280, 35713440, 40815360, 47617920, 57141504, 71426880, 95235840, 142853760, 285707520]

約数ペア:

[(1, 285707520), (2, 142853760), (3, 95235840), (4, 71426880), (5, 57141504), (6, 47617920), (7, 40815360), (8, 35713440), (9, 31745280), (10, 28570752), (12, 23808960), (14, 20407680), (15, 19047168), (16, 17856720), (18, 15872640), (20, 14285376), (21, 13605120), (24, 11904480), (27, 10581760), (28, 10203840), (30, 9523584), (32, 8928360), (35, 8163072), (36, 7936320), (40, 7142688), (42, 6802560), (45, 6349056), (48, 5952240), (54, 5290880), (56, 5101920), (60, 4761792), (63, 4535040), (64, 4464180), (70, 4081536), (72, 3968160), (80, 3571344), (84, 3401280), (90, 3174528), (96, 2976120), (105, 2721024), (108, 2645440), (112, 2550960), (120, 2380896), (126, 2267520), (128, 2232090), (135, 2116352), (140, 2040768), (144, 1984080), (160, 1785672), (168, 1700640), (180, 1587264), (189, 1511680), (192, 1488060), (210, 1360512), (216, 1322720), (224, 1275480), (240, 1190448), (252, 1133760), (256, 1116045), (270, 1058176), (280, 1020384), (288, 992040), (315, 907008), (320, 892836), (336, 850320), (360, 793632), (378, 755840), (384, 744030), (420, 680256), (432, 661360), (448, 637740), (480, 595224), (504, 566880), (540, 529088), (560, 510192), (576, 496020), (630, 453504), (640, 446418), (672, 425160), (720, 396816), (756, 377920), (768, 372015), (840, 340128), (864, 330680), (896, 318870), (945, 302336), (960, 297612), (1008, 283440), (1080, 264544), (1120, 255096), (1152, 248010), (1181, 241920), (1260, 226752), (1280, 223209), (1344, 212580), (1440, 198408), (1512, 188960), (1680, 170064), (1728, 165340), (1792, 159435), (1890, 151168), (1920, 148806), (2016, 141720), (2160, 132272), (2240, 127548), (2304, 124005), (2362, 120960), (2520, 113376), (2688, 106290), (2880, 99204), (3024, 94480), (3360, 85032), (3456, 82670), (3543, 80640), (3780, 75584), (3840, 74403), (4032, 70860), (4320, 66136), (4480, 63774), (4724, 60480), (5040, 56688), (5376, 53145), (5760, 49602), (5905, 48384), (6048, 47240), (6720, 42516), (6912, 41335), (7086, 40320), (7560, 37792), (8064, 35430), (8267, 34560), (8640, 33068), (8960, 31887), (9448, 30240), (10080, 28344), (10629, 26880), (11520, 24801), (11810, 24192), (12096, 23620), (13440, 21258), (14172, 20160), (15120, 18896), (16128, 17715), (16534, 17280)]