278709120

素因数分解:

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

素因数の和:282

約数の個数: 192

約数和(自身を含む): 994928400

約数和(自身を除く): 716219280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 127, 128, 135, 144, 160, 180, 192, 216, 240, 254, 270, 288, 320, 360, 381, 384, 432, 480, 508, 540, 576, 635, 640, 720, 762, 864, 960, 1016, 1080, 1143, 1152, 1270, 1440, 1524, 1728, 1905, 1920, 2032, 2160, 2286, 2540, 2880, 3048, 3429, 3456, 3810, 4064, 4320, 4572, 5080, 5715, 5760, 6096, 6858, 7620, 8128, 8640, 9144, 10160, 11430, 12192, 13716, 15240, 16129, 16256, 17145, 17280, 18288, 20320, 22860, 24384, 27432, 30480, 32258, 34290, 36576, 40640, 45720, 48387, 48768, 54864, 60960, 64516, 68580, 73152, 80645, 81280, 91440, 96774, 109728, 121920, 129032, 137160, 145161, 146304, 161290, 182880, 193548, 219456, 241935, 243840, 258064, 274320, 290322, 322580, 365760, 387096, 435483, 438912, 483870, 516128, 548640, 580644, 645160, 725805, 731520, 774192, 870966, 967740, 1032256, 1097280, 1161288, 1290320, 1451610, 1548384, 1741932, 1935480, 2064512, 2177415, 2194560, 2322576, 2580640, 2903220, 3096768, 3483864, 3870960, 4354830, 4645152, 5161280, 5806440, 6193536, 6967728, 7741920, 8709660, 9290304, 10322560, 11612880, 13935456, 15483840, 17419320, 18580608, 23225760, 27870912, 30967680, 34838640, 46451520, 55741824, 69677280, 92903040, 139354560, 278709120]

約数ペア:

[(1, 278709120), (2, 139354560), (3, 92903040), (4, 69677280), (5, 55741824), (6, 46451520), (8, 34838640), (9, 30967680), (10, 27870912), (12, 23225760), (15, 18580608), (16, 17419320), (18, 15483840), (20, 13935456), (24, 11612880), (27, 10322560), (30, 9290304), (32, 8709660), (36, 7741920), (40, 6967728), (45, 6193536), (48, 5806440), (54, 5161280), (60, 4645152), (64, 4354830), (72, 3870960), (80, 3483864), (90, 3096768), (96, 2903220), (108, 2580640), (120, 2322576), (127, 2194560), (128, 2177415), (135, 2064512), (144, 1935480), (160, 1741932), (180, 1548384), (192, 1451610), (216, 1290320), (240, 1161288), (254, 1097280), (270, 1032256), (288, 967740), (320, 870966), (360, 774192), (381, 731520), (384, 725805), (432, 645160), (480, 580644), (508, 548640), (540, 516128), (576, 483870), (635, 438912), (640, 435483), (720, 387096), (762, 365760), (864, 322580), (960, 290322), (1016, 274320), (1080, 258064), (1143, 243840), (1152, 241935), (1270, 219456), (1440, 193548), (1524, 182880), (1728, 161290), (1905, 146304), (1920, 145161), (2032, 137160), (2160, 129032), (2286, 121920), (2540, 109728), (2880, 96774), (3048, 91440), (3429, 81280), (3456, 80645), (3810, 73152), (4064, 68580), (4320, 64516), (4572, 60960), (5080, 54864), (5715, 48768), (5760, 48387), (6096, 45720), (6858, 40640), (7620, 36576), (8128, 34290), (8640, 32258), (9144, 30480), (10160, 27432), (11430, 24384), (12192, 22860), (13716, 20320), (15240, 18288), (16129, 17280), (16256, 17145)]