257048640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 280

約数和(自身を含む): 938247552

約数和(自身を除く): 681198912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 72, 80, 81, 90, 94, 96, 108, 120, 135, 141, 144, 160, 162, 180, 188, 192, 211, 216, 235, 240, 270, 282, 288, 320, 324, 360, 376, 405, 422, 423, 432, 470, 480, 540, 564, 576, 633, 648, 705, 720, 752, 810, 844, 846, 864, 940, 960, 1055, 1080, 1128, 1266, 1269, 1296, 1410, 1440, 1504, 1620, 1688, 1692, 1728, 1880, 1899, 2110, 2115, 2160, 2256, 2532, 2538, 2592, 2820, 2880, 3008, 3165, 3240, 3376, 3384, 3760, 3798, 3807, 4220, 4230, 4320, 4512, 5064, 5076, 5184, 5640, 5697, 6330, 6345, 6480, 6752, 6768, 7520, 7596, 7614, 8440, 8460, 8640, 9024, 9495, 9917, 10128, 10152, 11280, 11394, 12660, 12690, 12960, 13504, 13536, 15040, 15192, 15228, 16880, 16920, 17091, 18990, 19035, 19834, 20256, 20304, 22560, 22788, 25320, 25380, 25920, 27072, 28485, 29751, 30384, 30456, 33760, 33840, 34182, 37980, 38070, 39668, 40512, 40608, 45120, 45576, 49585, 50640, 50760, 56970, 59502, 60768, 60912, 67520, 67680, 68364, 75960, 76140, 79336, 81216, 85455, 89253, 91152, 99170, 101280, 101520, 113940, 119004, 121536, 121824, 135360, 136728, 148755, 151920, 152280, 158672, 170910, 178506, 182304, 198340, 202560, 203040, 227880, 238008, 243648, 267759, 273456, 297510, 303840, 304560, 317344, 341820, 357012, 364608, 396680, 406080, 446265, 455760, 476016, 535518, 546912, 595020, 607680, 609120, 634688, 683640, 714024, 793360, 803277, 892530, 911520, 952032, 1071036, 1093824, 1190040, 1218240, 1338795, 1367280, 1428048, 1586720, 1606554, 1785060, 1823040, 1904064, 2142072, 2380080, 2677590, 2734560, 2856096, 3173440, 3213108, 3570120, 4016385, 4284144, 4760160, 5355180, 5469120, 5712192, 6426216, 7140240, 8032770, 8568288, 9520320, 10710360, 12852432, 14280480, 16065540, 17136576, 21420720, 25704864, 28560960, 32131080, 42841440, 51409728, 64262160, 85682880, 128524320, 257048640]

約数ペア:

[(1, 257048640), (2, 128524320), (3, 85682880), (4, 64262160), (5, 51409728), (6, 42841440), (8, 32131080), (9, 28560960), (10, 25704864), (12, 21420720), (15, 17136576), (16, 16065540), (18, 14280480), (20, 12852432), (24, 10710360), (27, 9520320), (30, 8568288), (32, 8032770), (36, 7140240), (40, 6426216), (45, 5712192), (47, 5469120), (48, 5355180), (54, 4760160), (60, 4284144), (64, 4016385), (72, 3570120), (80, 3213108), (81, 3173440), (90, 2856096), (94, 2734560), (96, 2677590), (108, 2380080), (120, 2142072), (135, 1904064), (141, 1823040), (144, 1785060), (160, 1606554), (162, 1586720), (180, 1428048), (188, 1367280), (192, 1338795), (211, 1218240), (216, 1190040), (235, 1093824), (240, 1071036), (270, 952032), (282, 911520), (288, 892530), (320, 803277), (324, 793360), (360, 714024), (376, 683640), (405, 634688), (422, 609120), (423, 607680), (432, 595020), (470, 546912), (480, 535518), (540, 476016), (564, 455760), (576, 446265), (633, 406080), (648, 396680), (705, 364608), (720, 357012), (752, 341820), (810, 317344), (844, 304560), (846, 303840), (864, 297510), (940, 273456), (960, 267759), (1055, 243648), (1080, 238008), (1128, 227880), (1266, 203040), (1269, 202560), (1296, 198340), (1410, 182304), (1440, 178506), (1504, 170910), (1620, 158672), (1688, 152280), (1692, 151920), (1728, 148755), (1880, 136728), (1899, 135360), (2110, 121824), (2115, 121536), (2160, 119004), (2256, 113940), (2532, 101520), (2538, 101280), (2592, 99170), (2820, 91152), (2880, 89253), (3008, 85455), (3165, 81216), (3240, 79336), (3376, 76140), (3384, 75960), (3760, 68364), (3798, 67680), (3807, 67520), (4220, 60912), (4230, 60768), (4320, 59502), (4512, 56970), (5064, 50760), (5076, 50640), (5184, 49585), (5640, 45576), (5697, 45120), (6330, 40608), (6345, 40512), (6480, 39668), (6752, 38070), (6768, 37980), (7520, 34182), (7596, 33840), (7614, 33760), (8440, 30456), (8460, 30384), (8640, 29751), (9024, 28485), (9495, 27072), (9917, 25920), (10128, 25380), (10152, 25320), (11280, 22788), (11394, 22560), (12660, 20304), (12690, 20256), (12960, 19834), (13504, 19035), (13536, 18990), (15040, 17091), (15192, 16920), (15228, 16880)]