1620682560

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 448

約数和(自身を含む): 6616842240

約数和(自身を除く): 4996159680

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 127, 135, 140, 144, 160, 168, 180, 189, 192, 210, 211, 216, 224, 240, 252, 254, 270, 280, 288, 315, 320, 336, 360, 378, 381, 420, 422, 432, 448, 480, 504, 508, 540, 560, 576, 630, 633, 635, 672, 720, 756, 762, 840, 844, 864, 889, 945, 960, 1008, 1016, 1055, 1080, 1120, 1143, 1260, 1266, 1270, 1344, 1440, 1477, 1512, 1524, 1680, 1688, 1728, 1778, 1890, 1899, 1905, 2016, 2032, 2110, 2160, 2240, 2286, 2520, 2532, 2540, 2667, 2880, 2954, 3024, 3048, 3165, 3360, 3376, 3429, 3556, 3780, 3798, 3810, 4032, 4064, 4220, 4320, 4431, 4445, 4572, 5040, 5064, 5080, 5334, 5697, 5715, 5908, 6048, 6096, 6330, 6720, 6752, 6858, 7112, 7385, 7560, 7596, 7620, 8001, 8128, 8440, 8640, 8862, 8890, 9144, 9495, 10080, 10128, 10160, 10668, 11394, 11430, 11816, 12096, 12192, 12660, 13293, 13335, 13504, 13716, 14224, 14770, 15120, 15192, 15240, 16002, 16880, 17145, 17724, 17780, 18288, 18990, 20160, 20256, 20320, 21336, 22155, 22788, 22860, 23632, 24003, 24384, 25320, 26586, 26670, 26797, 27432, 28448, 28485, 29540, 30240, 30384, 30480, 32004, 33760, 34290, 35448, 35560, 36576, 37980, 39879, 40005, 40512, 40640, 42672, 44310, 45576, 45720, 47264, 48006, 50640, 53172, 53340, 53594, 54864, 56896, 56970, 59080, 60480, 60768, 60960, 64008, 66465, 67520, 68580, 70896, 71120, 73152, 75960, 79758, 80010, 80391, 85344, 88620, 91152, 91440, 94528, 96012, 101280, 106344, 106680, 107188, 109728, 113940, 118160, 120015, 121536, 121920, 128016, 132930, 133985, 137160, 141792, 142240, 151920, 159516, 160020, 160782, 170688, 177240, 182304, 182880, 187579, 192024, 199395, 202560, 212688, 213360, 214376, 219456, 227880, 236320, 240030, 241173, 256032, 265860, 267970, 274320, 283584, 284480, 303840, 319032, 320040, 321564, 354480, 364608, 365760, 375158, 384048, 398790, 401955, 425376, 426720, 428752, 455760, 472640, 480060, 482346, 512064, 531720, 535940, 548640, 562737, 607680, 638064, 640080, 643128, 708960, 723519, 750316, 768096, 797580, 803910, 850752, 853440, 857504, 911520, 937895, 960120, 964692, 1063440, 1071880, 1097280, 1125474, 1205865, 1276128, 1280160, 1286256, 1417920, 1447038, 1500632, 1536192, 1595160, 1607820, 1688211, 1715008, 1823040, 1875790, 1920240, 1929384, 2126880, 2143760, 2250948, 2411730, 2552256, 2560320, 2572512, 2813685, 2894076, 3001264, 3190320, 3215640, 3376422, 3617595, 3751580, 3840480, 3858768, 4253760, 4287520, 4501896, 4823460, 5064633, 5145024, 5627370, 5788152, 6002528, 6380640, 6431280, 6752844, 7235190, 7503160, 7680960, 7717536, 8441055, 8575040, 9003792, 9646920, 10129266, 11254740, 11576304, 12005056, 12761280, 12862560, 13505688, 14470380, 15006320, 15435072, 16882110, 18007584, 19293840, 20258532, 22509480, 23152608, 25323165, 25725120, 27011376, 28940760, 30012640, 33764220, 36015168, 38587680, 40517064, 45018960, 46305216, 50646330, 54022752, 57881520, 60025280, 67528440, 77175360, 81034128, 90037920, 101292660, 108045504, 115763040, 135056880, 162068256, 180075840, 202585320, 231526080, 270113760, 324136512, 405170640, 540227520, 810341280, 1620682560]

約数ペア:

[(1, 1620682560), (2, 810341280), (3, 540227520), (4, 405170640), (5, 324136512), (6, 270113760), (7, 231526080), (8, 202585320), (9, 180075840), (10, 162068256), (12, 135056880), (14, 115763040), (15, 108045504), (16, 101292660), (18, 90037920), (20, 81034128), (21, 77175360), (24, 67528440), (27, 60025280), (28, 57881520), (30, 54022752), (32, 50646330), (35, 46305216), (36, 45018960), (40, 40517064), (42, 38587680), (45, 36015168), (48, 33764220), (54, 30012640), (56, 28940760), (60, 27011376), (63, 25725120), (64, 25323165), (70, 23152608), (72, 22509480), (80, 20258532), (84, 19293840), (90, 18007584), (96, 16882110), (105, 15435072), (108, 15006320), (112, 14470380), (120, 13505688), (126, 12862560), (127, 12761280), (135, 12005056), (140, 11576304), (144, 11254740), (160, 10129266), (168, 9646920), (180, 9003792), (189, 8575040), (192, 8441055), (210, 7717536), (211, 7680960), (216, 7503160), (224, 7235190), (240, 6752844), (252, 6431280), (254, 6380640), (270, 6002528), (280, 5788152), (288, 5627370), (315, 5145024), (320, 5064633), (336, 4823460), (360, 4501896), (378, 4287520), (381, 4253760), (420, 3858768), (422, 3840480), (432, 3751580), (448, 3617595), (480, 3376422), (504, 3215640), (508, 3190320), (540, 3001264), (560, 2894076), (576, 2813685), (630, 2572512), (633, 2560320), (635, 2552256), (672, 2411730), (720, 2250948), (756, 2143760), (762, 2126880), (840, 1929384), (844, 1920240), (864, 1875790), (889, 1823040), (945, 1715008), (960, 1688211), (1008, 1607820), (1016, 1595160), (1055, 1536192), (1080, 1500632), (1120, 1447038), (1143, 1417920), (1260, 1286256), (1266, 1280160), (1270, 1276128), (1344, 1205865), (1440, 1125474), (1477, 1097280), (1512, 1071880), (1524, 1063440), (1680, 964692), (1688, 960120), (1728, 937895), (1778, 911520), (1890, 857504), (1899, 853440), (1905, 850752), (2016, 803910), (2032, 797580), (2110, 768096), (2160, 750316), (2240, 723519), (2286, 708960), (2520, 643128), (2532, 640080), (2540, 638064), (2667, 607680), (2880, 562737), (2954, 548640), (3024, 535940), (3048, 531720), (3165, 512064), (3360, 482346), (3376, 480060), (3429, 472640), (3556, 455760), (3780, 428752), (3798, 426720), (3810, 425376), (4032, 401955), (4064, 398790), (4220, 384048), (4320, 375158), (4431, 365760), (4445, 364608), (4572, 354480), (5040, 321564), (5064, 320040), (5080, 319032), (5334, 303840), (5697, 284480), (5715, 283584), (5908, 274320), (6048, 267970), (6096, 265860), (6330, 256032), (6720, 241173), (6752, 240030), (6858, 236320), (7112, 227880), (7385, 219456), (7560, 214376), (7596, 213360), (7620, 212688), (8001, 202560), (8128, 199395), (8440, 192024), (8640, 187579), (8862, 182880), (8890, 182304), (9144, 177240), (9495, 170688), (10080, 160782), (10128, 160020), (10160, 159516), (10668, 151920), (11394, 142240), (11430, 141792), (11816, 137160), (12096, 133985), (12192, 132930), (12660, 128016), (13293, 121920), (13335, 121536), (13504, 120015), (13716, 118160), (14224, 113940), (14770, 109728), (15120, 107188), (15192, 106680), (15240, 106344), (16002, 101280), (16880, 96012), (17145, 94528), (17724, 91440), (17780, 91152), (18288, 88620), (18990, 85344), (20160, 80391), (20256, 80010), (20320, 79758), (21336, 75960), (22155, 73152), (22788, 71120), (22860, 70896), (23632, 68580), (24003, 67520), (24384, 66465), (25320, 64008), (26586, 60960), (26670, 60768), (26797, 60480), (27432, 59080), (28448, 56970), (28485, 56896), (29540, 54864), (30240, 53594), (30384, 53340), (30480, 53172), (32004, 50640), (33760, 48006), (34290, 47264), (35448, 45720), (35560, 45576), (36576, 44310), (37980, 42672), (39879, 40640), (40005, 40512)]