261758640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 320

約数和(自身を含む): 989936640

約数和(自身を除く): 728178000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 29, 30, 33, 39, 40, 44, 48, 52, 55, 58, 60, 65, 66, 78, 80, 87, 88, 104, 110, 116, 120, 130, 132, 143, 145, 156, 165, 174, 176, 195, 208, 220, 232, 240, 260, 263, 264, 286, 290, 312, 319, 330, 348, 377, 390, 429, 435, 440, 464, 520, 526, 528, 572, 580, 624, 638, 660, 696, 715, 754, 780, 789, 858, 870, 880, 957, 1040, 1052, 1131, 1144, 1160, 1276, 1315, 1320, 1392, 1430, 1508, 1560, 1578, 1595, 1716, 1740, 1885, 1914, 2104, 2145, 2262, 2288, 2320, 2552, 2630, 2640, 2860, 2893, 3016, 3120, 3156, 3190, 3419, 3432, 3480, 3770, 3828, 3945, 4147, 4208, 4290, 4524, 4785, 5104, 5260, 5655, 5720, 5786, 6032, 6312, 6380, 6838, 6864, 6960, 7540, 7627, 7656, 7890, 8294, 8580, 8679, 9048, 9570, 10257, 10520, 11310, 11440, 11572, 12441, 12624, 12760, 13676, 14465, 15080, 15254, 15312, 15780, 16588, 17095, 17160, 17358, 18096, 19140, 20514, 20735, 21040, 22620, 22881, 23144, 24882, 25520, 27352, 28930, 30160, 30508, 31560, 33176, 34190, 34320, 34716, 37609, 38135, 38280, 41028, 41470, 43395, 45240, 45762, 46288, 49764, 51285, 54704, 57860, 61016, 62205, 63120, 66352, 68380, 69432, 75218, 76270, 76560, 82056, 82940, 83897, 86790, 90480, 91524, 99151, 99528, 102570, 112827, 114405, 115720, 122032, 124410, 136760, 138864, 150436, 152540, 164112, 165880, 167794, 173580, 183048, 188045, 198302, 199056, 205140, 225654, 228810, 231440, 248820, 251691, 273520, 297453, 300872, 305080, 331760, 335588, 347160, 366096, 376090, 396604, 410280, 419485, 451308, 457620, 495755, 497640, 503382, 564135, 594906, 601744, 610160, 671176, 694320, 752180, 793208, 820560, 838970, 902616, 915240, 991510, 995280, 1006764, 1090661, 1128270, 1189812, 1258455, 1342352, 1487265, 1504360, 1586416, 1677940, 1805232, 1830480, 1983020, 2013528, 2181322, 2256540, 2379624, 2516910, 2974530, 3008720, 3271983, 3355880, 3966040, 4027056, 4362644, 4513080, 4759248, 5033820, 5453305, 5949060, 6543966, 6711760, 7932080, 8725288, 9026160, 10067640, 10906610, 11898120, 13087932, 16359915, 17450576, 20135280, 21813220, 23796240, 26175864, 32719830, 43626440, 52351728, 65439660, 87252880, 130879320, 261758640]

約数ペア:

[(1, 261758640), (2, 130879320), (3, 87252880), (4, 65439660), (5, 52351728), (6, 43626440), (8, 32719830), (10, 26175864), (11, 23796240), (12, 21813220), (13, 20135280), (15, 17450576), (16, 16359915), (20, 13087932), (22, 11898120), (24, 10906610), (26, 10067640), (29, 9026160), (30, 8725288), (33, 7932080), (39, 6711760), (40, 6543966), (44, 5949060), (48, 5453305), (52, 5033820), (55, 4759248), (58, 4513080), (60, 4362644), (65, 4027056), (66, 3966040), (78, 3355880), (80, 3271983), (87, 3008720), (88, 2974530), (104, 2516910), (110, 2379624), (116, 2256540), (120, 2181322), (130, 2013528), (132, 1983020), (143, 1830480), (145, 1805232), (156, 1677940), (165, 1586416), (174, 1504360), (176, 1487265), (195, 1342352), (208, 1258455), (220, 1189812), (232, 1128270), (240, 1090661), (260, 1006764), (263, 995280), (264, 991510), (286, 915240), (290, 902616), (312, 838970), (319, 820560), (330, 793208), (348, 752180), (377, 694320), (390, 671176), (429, 610160), (435, 601744), (440, 594906), (464, 564135), (520, 503382), (526, 497640), (528, 495755), (572, 457620), (580, 451308), (624, 419485), (638, 410280), (660, 396604), (696, 376090), (715, 366096), (754, 347160), (780, 335588), (789, 331760), (858, 305080), (870, 300872), (880, 297453), (957, 273520), (1040, 251691), (1052, 248820), (1131, 231440), (1144, 228810), (1160, 225654), (1276, 205140), (1315, 199056), (1320, 198302), (1392, 188045), (1430, 183048), (1508, 173580), (1560, 167794), (1578, 165880), (1595, 164112), (1716, 152540), (1740, 150436), (1885, 138864), (1914, 136760), (2104, 124410), (2145, 122032), (2262, 115720), (2288, 114405), (2320, 112827), (2552, 102570), (2630, 99528), (2640, 99151), (2860, 91524), (2893, 90480), (3016, 86790), (3120, 83897), (3156, 82940), (3190, 82056), (3419, 76560), (3432, 76270), (3480, 75218), (3770, 69432), (3828, 68380), (3945, 66352), (4147, 63120), (4208, 62205), (4290, 61016), (4524, 57860), (4785, 54704), (5104, 51285), (5260, 49764), (5655, 46288), (5720, 45762), (5786, 45240), (6032, 43395), (6312, 41470), (6380, 41028), (6838, 38280), (6864, 38135), (6960, 37609), (7540, 34716), (7627, 34320), (7656, 34190), (7890, 33176), (8294, 31560), (8580, 30508), (8679, 30160), (9048, 28930), (9570, 27352), (10257, 25520), (10520, 24882), (11310, 23144), (11440, 22881), (11572, 22620), (12441, 21040), (12624, 20735), (12760, 20514), (13676, 19140), (14465, 18096), (15080, 17358), (15254, 17160), (15312, 17095), (15780, 16588)]