1278133080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11981}}^1$

素因数の和:12129

約数の個数: 128

約数和(自身を含む): 4417044480

約数和(自身を除く): 3138911400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 2540, 2667, 3048, 3556, 3810, 4445, 5080, 5334, 7112, 7620, 8890, 10668, 11981, 13335, 15240, 17780, 21336, 23962, 26670, 35560, 35943, 47924, 53340, 59905, 71886, 83867, 95848, 106680, 119810, 143772, 167734, 179715, 239620, 251601, 287544, 335468, 359430, 419335, 479240, 503202, 670936, 718860, 838670, 1006404, 1258005, 1437720, 1521587, 1677340, 2012808, 2516010, 3043174, 3354680, 4564761, 5032020, 6086348, 7607935, 9129522, 10064040, 10651109, 12172696, 15215870, 18259044, 21302218, 22823805, 30431740, 31953327, 36518088, 42604436, 45647610, 53255545, 60863480, 63906654, 85208872, 91295220, 106511090, 127813308, 159766635, 182590440, 213022180, 255626616, 319533270, 426044360, 639066540, 1278133080]

約数ペア:

[(1, 1278133080), (2, 639066540), (3, 426044360), (4, 319533270), (5, 255626616), (6, 213022180), (7, 182590440), (8, 159766635), (10, 127813308), (12, 106511090), (14, 91295220), (15, 85208872), (20, 63906654), (21, 60863480), (24, 53255545), (28, 45647610), (30, 42604436), (35, 36518088), (40, 31953327), (42, 30431740), (56, 22823805), (60, 21302218), (70, 18259044), (84, 15215870), (105, 12172696), (120, 10651109), (127, 10064040), (140, 9129522), (168, 7607935), (210, 6086348), (254, 5032020), (280, 4564761), (381, 3354680), (420, 3043174), (508, 2516010), (635, 2012808), (762, 1677340), (840, 1521587), (889, 1437720), (1016, 1258005), (1270, 1006404), (1524, 838670), (1778, 718860), (1905, 670936), (2540, 503202), (2667, 479240), (3048, 419335), (3556, 359430), (3810, 335468), (4445, 287544), (5080, 251601), (5334, 239620), (7112, 179715), (7620, 167734), (8890, 143772), (10668, 119810), (11981, 106680), (13335, 95848), (15240, 83867), (17780, 71886), (21336, 59905), (23962, 53340), (26670, 47924), (35560, 35943)]