261182880

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2879}}^1$

素因数の和:2913

約数の個数: 240

約数和(自身を含む): 1053803520

約数和(自身を除く): 792620640

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, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 2879, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 5758, 6048, 6480, 7560, 8637, 9072, 10080, 11340, 11516, 12960, 14395, 15120, 17274, 18144, 20153, 22680, 23032, 25911, 28790, 30240, 34548, 40306, 43185, 45360, 46064, 51822, 57580, 60459, 69096, 77733, 80612, 86370, 90720, 92128, 100765, 103644, 115160, 120918, 129555, 138192, 155466, 161224, 172740, 181377, 201530, 207288, 230320, 233199, 241836, 259110, 276384, 302295, 310932, 322448, 345480, 362754, 388665, 403060, 414576, 460640, 466398, 483672, 518220, 544131, 604590, 621864, 644896, 690960, 725508, 777330, 806120, 829152, 906885, 932796, 967344, 1036440, 1088262, 1165995, 1209180, 1243728, 1381920, 1451016, 1554660, 1612240, 1632393, 1813770, 1865592, 1934688, 2072880, 2176524, 2331990, 2418360, 2487456, 2720655, 2902032, 3109320, 3224480, 3264786, 3627540, 3731184, 4145760, 4353048, 4663980, 4836720, 5441310, 5804064, 6218640, 6529572, 7255080, 7462368, 8161965, 8706096, 9327960, 9673440, 10882620, 12437280, 13059144, 14510160, 16323930, 17412192, 18655920, 21765240, 26118288, 29020320, 32647860, 37311840, 43530480, 52236576, 65295720, 87060960, 130591440, 261182880]

約数ペア:

[(1, 261182880), (2, 130591440), (3, 87060960), (4, 65295720), (5, 52236576), (6, 43530480), (7, 37311840), (8, 32647860), (9, 29020320), (10, 26118288), (12, 21765240), (14, 18655920), (15, 17412192), (16, 16323930), (18, 14510160), (20, 13059144), (21, 12437280), (24, 10882620), (27, 9673440), (28, 9327960), (30, 8706096), (32, 8161965), (35, 7462368), (36, 7255080), (40, 6529572), (42, 6218640), (45, 5804064), (48, 5441310), (54, 4836720), (56, 4663980), (60, 4353048), (63, 4145760), (70, 3731184), (72, 3627540), (80, 3264786), (81, 3224480), (84, 3109320), (90, 2902032), (96, 2720655), (105, 2487456), (108, 2418360), (112, 2331990), (120, 2176524), (126, 2072880), (135, 1934688), (140, 1865592), (144, 1813770), (160, 1632393), (162, 1612240), (168, 1554660), (180, 1451016), (189, 1381920), (210, 1243728), (216, 1209180), (224, 1165995), (240, 1088262), (252, 1036440), (270, 967344), (280, 932796), (288, 906885), (315, 829152), (324, 806120), (336, 777330), (360, 725508), (378, 690960), (405, 644896), (420, 621864), (432, 604590), (480, 544131), (504, 518220), (540, 483672), (560, 466398), (567, 460640), (630, 414576), (648, 403060), (672, 388665), (720, 362754), (756, 345480), (810, 322448), (840, 310932), (864, 302295), (945, 276384), (1008, 259110), (1080, 241836), (1120, 233199), (1134, 230320), (1260, 207288), (1296, 201530), (1440, 181377), (1512, 172740), (1620, 161224), (1680, 155466), (1890, 138192), (2016, 129555), (2160, 120918), (2268, 115160), (2520, 103644), (2592, 100765), (2835, 92128), (2879, 90720), (3024, 86370), (3240, 80612), (3360, 77733), (3780, 69096), (4320, 60459), (4536, 57580), (5040, 51822), (5670, 46064), (5758, 45360), (6048, 43185), (6480, 40306), (7560, 34548), (8637, 30240), (9072, 28790), (10080, 25911), (11340, 23032), (11516, 22680), (12960, 20153), (14395, 18144), (15120, 17274)]