281066240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 288

約数和(自身を含む): 879083520

約数和(自身を除く): 598017280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 127, 128, 130, 133, 140, 152, 160, 182, 190, 208, 224, 247, 254, 256, 260, 266, 280, 304, 320, 364, 380, 416, 448, 455, 494, 508, 520, 532, 560, 608, 635, 640, 665, 728, 760, 832, 889, 896, 910, 988, 1016, 1040, 1064, 1120, 1216, 1235, 1270, 1280, 1330, 1456, 1520, 1651, 1664, 1729, 1778, 1792, 1820, 1976, 2032, 2080, 2128, 2240, 2413, 2432, 2470, 2540, 2660, 2912, 3040, 3302, 3328, 3458, 3556, 3640, 3952, 4064, 4160, 4256, 4445, 4480, 4826, 4864, 4940, 5080, 5320, 5824, 6080, 6604, 6916, 7112, 7280, 7904, 8128, 8255, 8320, 8512, 8645, 8890, 8960, 9652, 9880, 10160, 10640, 11557, 11648, 12065, 12160, 13208, 13832, 14224, 14560, 15808, 16256, 16510, 16640, 16891, 17024, 17290, 17780, 19304, 19760, 20320, 21280, 23114, 23296, 24130, 24320, 26416, 27664, 28448, 29120, 31369, 31616, 32512, 33020, 33782, 34048, 34580, 35560, 38608, 39520, 40640, 42560, 46228, 48260, 52832, 55328, 56896, 57785, 58240, 62738, 63232, 66040, 67564, 69160, 71120, 77216, 79040, 81280, 84455, 85120, 92456, 96520, 105664, 110656, 113792, 115570, 116480, 125476, 132080, 135128, 138320, 142240, 154432, 156845, 158080, 162560, 168910, 170240, 184912, 193040, 211328, 219583, 221312, 227584, 231140, 250952, 264160, 270256, 276640, 284480, 308864, 313690, 316160, 337820, 369824, 386080, 422656, 439166, 442624, 462280, 501904, 528320, 540512, 553280, 568960, 617728, 627380, 675640, 739648, 772160, 878332, 924560, 1003808, 1056640, 1081024, 1097915, 1106560, 1137920, 1254760, 1351280, 1479296, 1544320, 1756664, 1849120, 2007616, 2113280, 2162048, 2195830, 2213120, 2509520, 2702560, 2958592, 3088640, 3513328, 3698240, 4015232, 4324096, 4391660, 5019040, 5405120, 7026656, 7396480, 8030464, 8783320, 10038080, 10810240, 14053312, 14792960, 17566640, 20076160, 21620480, 28106624, 35133280, 40152320, 56213248, 70266560, 140533120, 281066240]

約数ペア:

[(1, 281066240), (2, 140533120), (4, 70266560), (5, 56213248), (7, 40152320), (8, 35133280), (10, 28106624), (13, 21620480), (14, 20076160), (16, 17566640), (19, 14792960), (20, 14053312), (26, 10810240), (28, 10038080), (32, 8783320), (35, 8030464), (38, 7396480), (40, 7026656), (52, 5405120), (56, 5019040), (64, 4391660), (65, 4324096), (70, 4015232), (76, 3698240), (80, 3513328), (91, 3088640), (95, 2958592), (104, 2702560), (112, 2509520), (127, 2213120), (128, 2195830), (130, 2162048), (133, 2113280), (140, 2007616), (152, 1849120), (160, 1756664), (182, 1544320), (190, 1479296), (208, 1351280), (224, 1254760), (247, 1137920), (254, 1106560), (256, 1097915), (260, 1081024), (266, 1056640), (280, 1003808), (304, 924560), (320, 878332), (364, 772160), (380, 739648), (416, 675640), (448, 627380), (455, 617728), (494, 568960), (508, 553280), (520, 540512), (532, 528320), (560, 501904), (608, 462280), (635, 442624), (640, 439166), (665, 422656), (728, 386080), (760, 369824), (832, 337820), (889, 316160), (896, 313690), (910, 308864), (988, 284480), (1016, 276640), (1040, 270256), (1064, 264160), (1120, 250952), (1216, 231140), (1235, 227584), (1270, 221312), (1280, 219583), (1330, 211328), (1456, 193040), (1520, 184912), (1651, 170240), (1664, 168910), (1729, 162560), (1778, 158080), (1792, 156845), (1820, 154432), (1976, 142240), (2032, 138320), (2080, 135128), (2128, 132080), (2240, 125476), (2413, 116480), (2432, 115570), (2470, 113792), (2540, 110656), (2660, 105664), (2912, 96520), (3040, 92456), (3302, 85120), (3328, 84455), (3458, 81280), (3556, 79040), (3640, 77216), (3952, 71120), (4064, 69160), (4160, 67564), (4256, 66040), (4445, 63232), (4480, 62738), (4826, 58240), (4864, 57785), (4940, 56896), (5080, 55328), (5320, 52832), (5824, 48260), (6080, 46228), (6604, 42560), (6916, 40640), (7112, 39520), (7280, 38608), (7904, 35560), (8128, 34580), (8255, 34048), (8320, 33782), (8512, 33020), (8645, 32512), (8890, 31616), (8960, 31369), (9652, 29120), (9880, 28448), (10160, 27664), (10640, 26416), (11557, 24320), (11648, 24130), (12065, 23296), (12160, 23114), (13208, 21280), (13832, 20320), (14224, 19760), (14560, 19304), (15808, 17780), (16256, 17290), (16510, 17024), (16640, 16891)]