1878705920

素因数分解:

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

素因数の和:295

約数の個数: 216

約数和(自身を含む): 5582523744

約数和(自身を除く): 3703817824

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 127, 128, 130, 140, 160, 182, 208, 224, 254, 256, 260, 280, 320, 364, 416, 448, 455, 508, 520, 560, 635, 640, 728, 832, 889, 896, 910, 1016, 1040, 1120, 1270, 1280, 1456, 1651, 1664, 1778, 1792, 1820, 2032, 2080, 2240, 2540, 2912, 3302, 3328, 3556, 3640, 4064, 4160, 4445, 4480, 5080, 5824, 6604, 7112, 7280, 8128, 8255, 8320, 8890, 8960, 10160, 11557, 11648, 13208, 14224, 14560, 16129, 16256, 16510, 16640, 17780, 20320, 23114, 23296, 26416, 28448, 29120, 32258, 32512, 33020, 35560, 40640, 46228, 52832, 56896, 57785, 58240, 64516, 66040, 71120, 80645, 81280, 92456, 105664, 112903, 113792, 115570, 116480, 129032, 132080, 142240, 161290, 162560, 184912, 209677, 211328, 225806, 227584, 231140, 258064, 264160, 284480, 322580, 369824, 419354, 422656, 451612, 462280, 516128, 528320, 564515, 568960, 645160, 739648, 838708, 903224, 924560, 1032256, 1048385, 1056640, 1129030, 1137920, 1290320, 1467739, 1479296, 1677416, 1806448, 1849120, 2064512, 2096770, 2113280, 2258060, 2580640, 2935478, 2958592, 3354832, 3612896, 3698240, 4129024, 4193540, 4516120, 5161280, 5870956, 6709664, 7225792, 7338695, 7396480, 8387080, 9032240, 10322560, 11741912, 13419328, 14451584, 14677390, 14792960, 16774160, 18064480, 20645120, 23483824, 26838656, 28903168, 29354780, 33548320, 36128960, 46967648, 53677312, 58709560, 67096640, 72257920, 93935296, 117419120, 134193280, 144515840, 187870592, 234838240, 268386560, 375741184, 469676480, 939352960, 1878705920]

約数ペア:

[(1, 1878705920), (2, 939352960), (4, 469676480), (5, 375741184), (7, 268386560), (8, 234838240), (10, 187870592), (13, 144515840), (14, 134193280), (16, 117419120), (20, 93935296), (26, 72257920), (28, 67096640), (32, 58709560), (35, 53677312), (40, 46967648), (52, 36128960), (56, 33548320), (64, 29354780), (65, 28903168), (70, 26838656), (80, 23483824), (91, 20645120), (104, 18064480), (112, 16774160), (127, 14792960), (128, 14677390), (130, 14451584), (140, 13419328), (160, 11741912), (182, 10322560), (208, 9032240), (224, 8387080), (254, 7396480), (256, 7338695), (260, 7225792), (280, 6709664), (320, 5870956), (364, 5161280), (416, 4516120), (448, 4193540), (455, 4129024), (508, 3698240), (520, 3612896), (560, 3354832), (635, 2958592), (640, 2935478), (728, 2580640), (832, 2258060), (889, 2113280), (896, 2096770), (910, 2064512), (1016, 1849120), (1040, 1806448), (1120, 1677416), (1270, 1479296), (1280, 1467739), (1456, 1290320), (1651, 1137920), (1664, 1129030), (1778, 1056640), (1792, 1048385), (1820, 1032256), (2032, 924560), (2080, 903224), (2240, 838708), (2540, 739648), (2912, 645160), (3302, 568960), (3328, 564515), (3556, 528320), (3640, 516128), (4064, 462280), (4160, 451612), (4445, 422656), (4480, 419354), (5080, 369824), (5824, 322580), (6604, 284480), (7112, 264160), (7280, 258064), (8128, 231140), (8255, 227584), (8320, 225806), (8890, 211328), (8960, 209677), (10160, 184912), (11557, 162560), (11648, 161290), (13208, 142240), (14224, 132080), (14560, 129032), (16129, 116480), (16256, 115570), (16510, 113792), (16640, 112903), (17780, 105664), (20320, 92456), (23114, 81280), (23296, 80645), (26416, 71120), (28448, 66040), (29120, 64516), (32258, 58240), (32512, 57785), (33020, 56896), (35560, 52832), (40640, 46228)]