821681280

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{6793}}^1$

素因数の和:6828

約数の個数: 256

約数和(自身を含む): 3326342400

約数和(自身を除く): 2504661120

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, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6720, 6793, 7560, 8064, 8640, 10080, 12096, 13440, 13586, 15120, 17280, 20160, 20379, 24192, 27172, 30240, 33965, 40320, 40758, 47551, 54344, 60480, 61137, 67930, 81516, 95102, 101895, 108688, 120960, 122274, 135860, 142653, 163032, 183411, 190204, 203790, 217376, 237755, 244548, 271720, 285306, 305685, 326064, 366822, 380408, 407580, 427959, 434752, 475510, 489096, 543440, 570612, 611370, 652128, 713265, 733644, 760816, 815160, 855918, 869504, 917055, 951020, 978192, 1086880, 1141224, 1222740, 1283877, 1304256, 1426530, 1467288, 1521632, 1630320, 1711836, 1834110, 1902040, 1956384, 2139795, 2173760, 2282448, 2445480, 2567754, 2608512, 2853060, 2934576, 3043264, 3260640, 3423672, 3668220, 3804080, 3912768, 4279590, 4347520, 4564896, 4890960, 5135508, 5706120, 5869152, 6086528, 6419385, 6521280, 6847344, 7336440, 7608160, 7825536, 8559180, 9129792, 9781920, 10271016, 11412240, 11738304, 12838770, 13042560, 13694688, 14672880, 15216320, 17118360, 18259584, 19563840, 20542032, 22824480, 23476608, 25677540, 27389376, 29345760, 30432640, 34236720, 39127680, 41084064, 45648960, 51355080, 54778752, 58691520, 68473440, 82168128, 91297920, 102710160, 117383040, 136946880, 164336256, 205420320, 273893760, 410840640, 821681280]

約数ペア:

[(1, 821681280), (2, 410840640), (3, 273893760), (4, 205420320), (5, 164336256), (6, 136946880), (7, 117383040), (8, 102710160), (9, 91297920), (10, 82168128), (12, 68473440), (14, 58691520), (15, 54778752), (16, 51355080), (18, 45648960), (20, 41084064), (21, 39127680), (24, 34236720), (27, 30432640), (28, 29345760), (30, 27389376), (32, 25677540), (35, 23476608), (36, 22824480), (40, 20542032), (42, 19563840), (45, 18259584), (48, 17118360), (54, 15216320), (56, 14672880), (60, 13694688), (63, 13042560), (64, 12838770), (70, 11738304), (72, 11412240), (80, 10271016), (84, 9781920), (90, 9129792), (96, 8559180), (105, 7825536), (108, 7608160), (112, 7336440), (120, 6847344), (126, 6521280), (128, 6419385), (135, 6086528), (140, 5869152), (144, 5706120), (160, 5135508), (168, 4890960), (180, 4564896), (189, 4347520), (192, 4279590), (210, 3912768), (216, 3804080), (224, 3668220), (240, 3423672), (252, 3260640), (270, 3043264), (280, 2934576), (288, 2853060), (315, 2608512), (320, 2567754), (336, 2445480), (360, 2282448), (378, 2173760), (384, 2139795), (420, 1956384), (432, 1902040), (448, 1834110), (480, 1711836), (504, 1630320), (540, 1521632), (560, 1467288), (576, 1426530), (630, 1304256), (640, 1283877), (672, 1222740), (720, 1141224), (756, 1086880), (840, 978192), (864, 951020), (896, 917055), (945, 869504), (960, 855918), (1008, 815160), (1080, 760816), (1120, 733644), (1152, 713265), (1260, 652128), (1344, 611370), (1440, 570612), (1512, 543440), (1680, 489096), (1728, 475510), (1890, 434752), (1920, 427959), (2016, 407580), (2160, 380408), (2240, 366822), (2520, 326064), (2688, 305685), (2880, 285306), (3024, 271720), (3360, 244548), (3456, 237755), (3780, 217376), (4032, 203790), (4320, 190204), (4480, 183411), (5040, 163032), (5760, 142653), (6048, 135860), (6720, 122274), (6793, 120960), (7560, 108688), (8064, 101895), (8640, 95102), (10080, 81516), (12096, 67930), (13440, 61137), (13586, 60480), (15120, 54344), (17280, 47551), (20160, 40758), (20379, 40320), (24192, 33965), (27172, 30240)]