256163040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 384

約数和(自身を含む): 1053803520

約数和(自身を除く): 797640480

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, 43, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 86, 90, 96, 105, 108, 112, 120, 126, 129, 135, 140, 144, 160, 168, 172, 180, 189, 197, 210, 215, 216, 224, 240, 252, 258, 270, 280, 288, 301, 315, 336, 344, 360, 378, 387, 394, 420, 430, 432, 480, 504, 516, 540, 560, 591, 602, 630, 645, 672, 688, 720, 756, 774, 788, 840, 860, 864, 903, 945, 985, 1008, 1032, 1080, 1120, 1161, 1182, 1204, 1260, 1290, 1376, 1379, 1440, 1505, 1512, 1548, 1576, 1680, 1720, 1773, 1806, 1890, 1935, 1970, 2016, 2064, 2160, 2322, 2364, 2408, 2520, 2580, 2709, 2758, 2955, 3010, 3024, 3096, 3152, 3360, 3440, 3546, 3612, 3780, 3870, 3940, 4128, 4137, 4320, 4515, 4644, 4728, 4816, 5040, 5160, 5319, 5418, 5516, 5805, 5910, 6020, 6048, 6192, 6304, 6880, 6895, 7092, 7224, 7560, 7740, 7880, 8127, 8274, 8471, 8865, 9030, 9288, 9456, 9632, 10080, 10320, 10638, 10836, 11032, 11610, 11820, 12040, 12384, 12411, 13545, 13790, 14184, 14448, 15120, 15480, 15760, 16254, 16548, 16942, 17730, 18060, 18576, 18912, 20640, 20685, 21276, 21672, 22064, 23220, 23640, 24080, 24822, 25413, 26595, 27090, 27580, 28368, 28896, 30240, 30960, 31520, 32508, 33096, 33884, 35460, 36120, 37152, 37233, 40635, 41370, 42355, 42552, 43344, 44128, 46440, 47280, 48160, 49644, 50826, 53190, 54180, 55160, 56736, 59297, 61920, 62055, 65016, 66192, 67768, 70920, 72240, 74466, 76239, 81270, 82740, 84710, 85104, 86688, 92880, 94560, 99288, 101652, 106380, 108360, 110320, 118594, 124110, 127065, 130032, 132384, 135536, 141840, 144480, 148932, 152478, 162540, 165480, 169420, 170208, 177891, 185760, 186165, 198576, 203304, 212760, 216720, 220640, 228717, 237188, 248220, 254130, 260064, 271072, 283680, 296485, 297864, 304956, 325080, 330960, 338840, 355782, 372330, 381195, 397152, 406608, 425520, 433440, 457434, 474376, 496440, 508260, 533673, 592970, 595728, 609912, 650160, 661920, 677680, 711564, 744660, 762390, 813216, 851040, 889455, 914868, 948752, 992880, 1016520, 1067346, 1143585, 1185940, 1191456, 1219824, 1300320, 1355360, 1423128, 1489320, 1524780, 1601019, 1778910, 1829736, 1897504, 1985760, 2033040, 2134692, 2287170, 2371880, 2439648, 2668365, 2846256, 2978640, 3049560, 3202038, 3557820, 3659472, 4066080, 4269384, 4574340, 4743760, 5336730, 5692512, 5957280, 6099120, 6404076, 7115640, 7318944, 8005095, 8538768, 9148680, 9487520, 10673460, 12198240, 12808152, 14231280, 16010190, 17077536, 18297360, 21346920, 25616304, 28462560, 32020380, 36594720, 42693840, 51232608, 64040760, 85387680, 128081520, 256163040]

約数ペア:

[(1, 256163040), (2, 128081520), (3, 85387680), (4, 64040760), (5, 51232608), (6, 42693840), (7, 36594720), (8, 32020380), (9, 28462560), (10, 25616304), (12, 21346920), (14, 18297360), (15, 17077536), (16, 16010190), (18, 14231280), (20, 12808152), (21, 12198240), (24, 10673460), (27, 9487520), (28, 9148680), (30, 8538768), (32, 8005095), (35, 7318944), (36, 7115640), (40, 6404076), (42, 6099120), (43, 5957280), (45, 5692512), (48, 5336730), (54, 4743760), (56, 4574340), (60, 4269384), (63, 4066080), (70, 3659472), (72, 3557820), (80, 3202038), (84, 3049560), (86, 2978640), (90, 2846256), (96, 2668365), (105, 2439648), (108, 2371880), (112, 2287170), (120, 2134692), (126, 2033040), (129, 1985760), (135, 1897504), (140, 1829736), (144, 1778910), (160, 1601019), (168, 1524780), (172, 1489320), (180, 1423128), (189, 1355360), (197, 1300320), (210, 1219824), (215, 1191456), (216, 1185940), (224, 1143585), (240, 1067346), (252, 1016520), (258, 992880), (270, 948752), (280, 914868), (288, 889455), (301, 851040), (315, 813216), (336, 762390), (344, 744660), (360, 711564), (378, 677680), (387, 661920), (394, 650160), (420, 609912), (430, 595728), (432, 592970), (480, 533673), (504, 508260), (516, 496440), (540, 474376), (560, 457434), (591, 433440), (602, 425520), (630, 406608), (645, 397152), (672, 381195), (688, 372330), (720, 355782), (756, 338840), (774, 330960), (788, 325080), (840, 304956), (860, 297864), (864, 296485), (903, 283680), (945, 271072), (985, 260064), (1008, 254130), (1032, 248220), (1080, 237188), (1120, 228717), (1161, 220640), (1182, 216720), (1204, 212760), (1260, 203304), (1290, 198576), (1376, 186165), (1379, 185760), (1440, 177891), (1505, 170208), (1512, 169420), (1548, 165480), (1576, 162540), (1680, 152478), (1720, 148932), (1773, 144480), (1806, 141840), (1890, 135536), (1935, 132384), (1970, 130032), (2016, 127065), (2064, 124110), (2160, 118594), (2322, 110320), (2364, 108360), (2408, 106380), (2520, 101652), (2580, 99288), (2709, 94560), (2758, 92880), (2955, 86688), (3010, 85104), (3024, 84710), (3096, 82740), (3152, 81270), (3360, 76239), (3440, 74466), (3546, 72240), (3612, 70920), (3780, 67768), (3870, 66192), (3940, 65016), (4128, 62055), (4137, 61920), (4320, 59297), (4515, 56736), (4644, 55160), (4728, 54180), (4816, 53190), (5040, 50826), (5160, 49644), (5319, 48160), (5418, 47280), (5516, 46440), (5805, 44128), (5910, 43344), (6020, 42552), (6048, 42355), (6192, 41370), (6304, 40635), (6880, 37233), (6895, 37152), (7092, 36120), (7224, 35460), (7560, 33884), (7740, 33096), (7880, 32508), (8127, 31520), (8274, 30960), (8471, 30240), (8865, 28896), (9030, 28368), (9288, 27580), (9456, 27090), (9632, 26595), (10080, 25413), (10320, 24822), (10638, 24080), (10836, 23640), (11032, 23220), (11610, 22064), (11820, 21672), (12040, 21276), (12384, 20685), (12411, 20640), (13545, 18912), (13790, 18576), (14184, 18060), (14448, 17730), (15120, 16942), (15480, 16548), (15760, 16254)]