1991928960

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:548

約数の個数: 384

約数和(自身を含む): 7943270400

約数和(自身を除く): 5951341440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 127, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 254, 280, 288, 315, 320, 336, 360, 381, 384, 389, 420, 448, 480, 504, 508, 560, 576, 630, 635, 640, 672, 720, 762, 778, 840, 889, 896, 960, 1008, 1016, 1120, 1143, 1152, 1167, 1260, 1270, 1344, 1440, 1524, 1556, 1680, 1778, 1905, 1920, 1945, 2016, 2032, 2240, 2286, 2334, 2520, 2540, 2667, 2688, 2723, 2880, 3048, 3112, 3360, 3501, 3556, 3810, 3890, 4032, 4064, 4445, 4480, 4572, 4668, 5040, 5080, 5334, 5446, 5715, 5760, 5835, 6096, 6224, 6720, 7002, 7112, 7620, 7780, 8001, 8064, 8128, 8169, 8890, 9144, 9336, 10080, 10160, 10668, 10892, 11430, 11670, 12192, 12448, 13335, 13440, 13615, 14004, 14224, 15240, 15560, 16002, 16256, 16338, 17505, 17780, 18288, 18672, 20160, 20320, 21336, 21784, 22860, 23340, 24384, 24507, 24896, 26670, 27230, 28008, 28448, 30480, 31120, 32004, 32676, 35010, 35560, 36576, 37344, 40005, 40320, 40640, 40845, 42672, 43568, 45720, 46680, 48768, 49014, 49403, 49792, 53340, 54460, 56016, 56896, 60960, 62240, 64008, 65352, 70020, 71120, 73152, 74688, 80010, 81280, 81690, 85344, 87136, 91440, 93360, 98028, 98806, 106680, 108920, 112032, 113792, 121920, 122535, 124480, 128016, 130704, 140040, 142240, 146304, 148209, 149376, 160020, 163380, 170688, 174272, 182880, 186720, 196056, 197612, 213360, 217840, 224064, 243840, 245070, 247015, 248960, 256032, 261408, 280080, 284480, 296418, 320040, 326760, 341376, 345821, 348544, 365760, 373440, 392112, 395224, 426720, 435680, 444627, 448128, 490140, 494030, 512064, 522816, 560160, 568960, 592836, 640080, 653520, 691642, 731520, 741045, 746880, 784224, 790448, 853440, 871360, 889254, 980280, 988060, 1024128, 1037463, 1045632, 1120320, 1185672, 1280160, 1307040, 1383284, 1482090, 1568448, 1580896, 1706880, 1729105, 1742720, 1778508, 1960560, 1976120, 2074926, 2223135, 2240640, 2371344, 2560320, 2614080, 2766568, 2964180, 3112389, 3136896, 3161792, 3458210, 3557016, 3921120, 3952240, 4149852, 4446270, 4742688, 5120640, 5187315, 5228160, 5533136, 5928360, 6224778, 6323584, 6916420, 7114032, 7842240, 7904480, 8299704, 8892540, 9485376, 10374630, 11066272, 11856720, 12449556, 13832840, 14228064, 15561945, 15684480, 15808960, 16599408, 17785080, 18970752, 20749260, 22132544, 23713440, 24899112, 27665680, 28456128, 31123890, 31617920, 33198816, 35570160, 41498520, 44265088, 47426880, 49798224, 55331360, 56912256, 62247780, 66397632, 71140320, 82997040, 94853760, 99596448, 110662720, 124495560, 132795264, 142280640, 165994080, 199192896, 221325440, 248991120, 284561280, 331988160, 398385792, 497982240, 663976320, 995964480, 1991928960]

約数ペア:

[(1, 1991928960), (2, 995964480), (3, 663976320), (4, 497982240), (5, 398385792), (6, 331988160), (7, 284561280), (8, 248991120), (9, 221325440), (10, 199192896), (12, 165994080), (14, 142280640), (15, 132795264), (16, 124495560), (18, 110662720), (20, 99596448), (21, 94853760), (24, 82997040), (28, 71140320), (30, 66397632), (32, 62247780), (35, 56912256), (36, 55331360), (40, 49798224), (42, 47426880), (45, 44265088), (48, 41498520), (56, 35570160), (60, 33198816), (63, 31617920), (64, 31123890), (70, 28456128), (72, 27665680), (80, 24899112), (84, 23713440), (90, 22132544), (96, 20749260), (105, 18970752), (112, 17785080), (120, 16599408), (126, 15808960), (127, 15684480), (128, 15561945), (140, 14228064), (144, 13832840), (160, 12449556), (168, 11856720), (180, 11066272), (192, 10374630), (210, 9485376), (224, 8892540), (240, 8299704), (252, 7904480), (254, 7842240), (280, 7114032), (288, 6916420), (315, 6323584), (320, 6224778), (336, 5928360), (360, 5533136), (381, 5228160), (384, 5187315), (389, 5120640), (420, 4742688), (448, 4446270), (480, 4149852), (504, 3952240), (508, 3921120), (560, 3557016), (576, 3458210), (630, 3161792), (635, 3136896), (640, 3112389), (672, 2964180), (720, 2766568), (762, 2614080), (778, 2560320), (840, 2371344), (889, 2240640), (896, 2223135), (960, 2074926), (1008, 1976120), (1016, 1960560), (1120, 1778508), (1143, 1742720), (1152, 1729105), (1167, 1706880), (1260, 1580896), (1270, 1568448), (1344, 1482090), (1440, 1383284), (1524, 1307040), (1556, 1280160), (1680, 1185672), (1778, 1120320), (1905, 1045632), (1920, 1037463), (1945, 1024128), (2016, 988060), (2032, 980280), (2240, 889254), (2286, 871360), (2334, 853440), (2520, 790448), (2540, 784224), (2667, 746880), (2688, 741045), (2723, 731520), (2880, 691642), (3048, 653520), (3112, 640080), (3360, 592836), (3501, 568960), (3556, 560160), (3810, 522816), (3890, 512064), (4032, 494030), (4064, 490140), (4445, 448128), (4480, 444627), (4572, 435680), (4668, 426720), (5040, 395224), (5080, 392112), (5334, 373440), (5446, 365760), (5715, 348544), (5760, 345821), (5835, 341376), (6096, 326760), (6224, 320040), (6720, 296418), (7002, 284480), (7112, 280080), (7620, 261408), (7780, 256032), (8001, 248960), (8064, 247015), (8128, 245070), (8169, 243840), (8890, 224064), (9144, 217840), (9336, 213360), (10080, 197612), (10160, 196056), (10668, 186720), (10892, 182880), (11430, 174272), (11670, 170688), (12192, 163380), (12448, 160020), (13335, 149376), (13440, 148209), (13615, 146304), (14004, 142240), (14224, 140040), (15240, 130704), (15560, 128016), (16002, 124480), (16256, 122535), (16338, 121920), (17505, 113792), (17780, 112032), (18288, 108920), (18672, 106680), (20160, 98806), (20320, 98028), (21336, 93360), (21784, 91440), (22860, 87136), (23340, 85344), (24384, 81690), (24507, 81280), (24896, 80010), (26670, 74688), (27230, 73152), (28008, 71120), (28448, 70020), (30480, 65352), (31120, 64008), (32004, 62240), (32676, 60960), (35010, 56896), (35560, 56016), (36576, 54460), (37344, 53340), (40005, 49792), (40320, 49403), (40640, 49014), (40845, 48768), (42672, 46680), (43568, 45720)]