1280664000

素因数分解:

$2^6\times 3^3\times 5^3\times 7^2\times {\mathrm{11}}^2$

素因数の和:72

約数の個数: 1008

約数和(自身を含む): 6007790880

約数和(自身を除く): 4727126880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 50, 54, 55, 56, 60, 63, 64, 66, 70, 72, 75, 77, 80, 84, 88, 90, 96, 98, 99, 100, 105, 108, 110, 112, 120, 121, 125, 126, 132, 135, 140, 144, 147, 150, 154, 160, 165, 168, 175, 176, 180, 189, 192, 196, 198, 200, 210, 216, 220, 224, 225, 231, 240, 242, 245, 250, 252, 264, 270, 275, 280, 288, 294, 297, 300, 308, 315, 320, 330, 336, 350, 352, 360, 363, 375, 378, 385, 392, 396, 400, 420, 432, 440, 441, 448, 450, 462, 480, 484, 490, 495, 500, 504, 525, 528, 539, 540, 550, 560, 576, 588, 594, 600, 605, 616, 630, 660, 672, 675, 693, 700, 704, 720, 726, 735, 750, 756, 770, 784, 792, 800, 825, 840, 847, 864, 875, 880, 882, 900, 924, 945, 960, 968, 980, 990, 1000, 1008, 1050, 1056, 1078, 1080, 1089, 1100, 1120, 1125, 1155, 1176, 1188, 1200, 1210, 1225, 1232, 1260, 1320, 1323, 1344, 1350, 1375, 1386, 1400, 1440, 1452, 1470, 1485, 1500, 1512, 1540, 1568, 1575, 1584, 1600, 1617, 1650, 1680, 1694, 1728, 1750, 1760, 1764, 1800, 1815, 1848, 1890, 1925, 1936, 1960, 1980, 2000, 2016, 2079, 2100, 2112, 2156, 2160, 2178, 2200, 2205, 2240, 2250, 2310, 2352, 2376, 2400, 2420, 2450, 2464, 2475, 2520, 2541, 2625, 2640, 2646, 2695, 2700, 2750, 2772, 2800, 2880, 2904, 2940, 2970, 3000, 3024, 3025, 3080, 3136, 3150, 3168, 3234, 3267, 3300, 3360, 3375, 3388, 3465, 3500, 3520, 3528, 3600, 3630, 3675, 3696, 3780, 3850, 3872, 3920, 3960, 4000, 4032, 4125, 4158, 4200, 4235, 4312, 4320, 4356, 4400, 4410, 4500, 4620, 4704, 4725, 4752, 4800, 4840, 4851, 4900, 4928, 4950, 5040, 5082, 5250, 5280, 5292, 5390, 5400, 5445, 5500, 5544, 5600, 5775, 5808, 5880, 5929, 5940, 6000, 6048, 6050, 6125, 6160, 6300, 6336, 6468, 6534, 6600, 6615, 6720, 6750, 6776, 6930, 7000, 7056, 7200, 7260, 7350, 7392, 7425, 7560, 7623, 7700, 7744, 7840, 7875, 7920, 8000, 8085, 8250, 8316, 8400, 8470, 8624, 8640, 8712, 8800, 8820, 9000, 9075, 9240, 9408, 9450, 9504, 9625, 9680, 9702, 9800, 9900, 10080, 10164, 10395, 10500, 10560, 10584, 10780, 10800, 10890, 11000, 11025, 11088, 11200, 11550, 11616, 11760, 11858, 11880, 12000, 12096, 12100, 12250, 12320, 12375, 12600, 12705, 12936, 13068, 13200, 13230, 13475, 13500, 13552, 13860, 14000, 14112, 14400, 14520, 14553, 14700, 14784, 14850, 15120, 15125, 15246, 15400, 15680, 15750, 15840, 16170, 16335, 16500, 16632, 16800, 16940, 17248, 17325, 17424, 17600, 17640, 17787, 18000, 18150, 18375, 18480, 18900, 19008, 19250, 19360, 19404, 19600, 19800, 20160, 20328, 20790, 21000, 21168, 21175, 21560, 21600, 21780, 22000, 22050, 22176, 22869, 23100, 23232, 23520, 23625, 23716, 23760, 24000, 24200, 24255, 24500, 24640, 24750, 25200, 25410, 25872, 26136, 26400, 26460, 26950, 27000, 27104, 27225, 27720, 28000, 28224, 28875, 29040, 29106, 29400, 29645, 29700, 30240, 30250, 30492, 30800, 31500, 31680, 32340, 32670, 33000, 33075, 33264, 33600, 33880, 34496, 34650, 34848, 35280, 35574, 36000, 36300, 36750, 36960, 37125, 37800, 38115, 38500, 38720, 38808, 39200, 39600, 40425, 40656, 41580, 42000, 42336, 42350, 43120, 43200, 43560, 44000, 44100, 44352, 45375, 45738, 46200, 47040, 47250, 47432, 47520, 48400, 48510, 49000, 49500, 50400, 50820, 51744, 51975, 52272, 52800, 52920, 53361, 53900, 54000, 54208, 54450, 55125, 55440, 56000, 57750, 58080, 58212, 58800, 59290, 59400, 60480, 60500, 60984, 61600, 63000, 63525, 64680, 65340, 66000, 66150, 66528, 67375, 67760, 69300, 69696, 70560, 71148, 72000, 72600, 72765, 73500, 73920, 74250, 75600, 76230, 77000, 77616, 78400, 79200, 80850, 81312, 81675, 83160, 84000, 84672, 84700, 86240, 86625, 87120, 88000, 88200, 88935, 90750, 91476, 92400, 94500, 94864, 95040, 96800, 97020, 98000, 99000, 100800, 101640, 103488, 103950, 104544, 105840, 105875, 106722, 107800, 108000, 108900, 110250, 110880, 114345, 115500, 116160, 116424, 117600, 118580, 118800, 121000, 121275, 121968, 123200, 126000, 127050, 129360, 130680, 132000, 132300, 133056, 134750, 135520, 136125, 138600, 141120, 142296, 145200, 145530, 147000, 148225, 148500, 151200, 152460, 154000, 155232, 158400, 160083, 161700, 162624, 163350, 165375, 166320, 168000, 169400, 172480, 173250, 174240, 176400, 177870, 181500, 182952, 184800, 189000, 189728, 190575, 193600, 194040, 196000, 198000, 202125, 203280, 207900, 209088, 211680, 211750, 213444, 215600, 216000, 217800, 220500, 221760, 228690, 231000, 232848, 235200, 237160, 237600, 242000, 242550, 243936, 252000, 254100, 258720, 259875, 261360, 264000, 264600, 266805, 269500, 271040, 272250, 277200, 284592, 290400, 291060, 294000, 296450, 297000, 302400, 304920, 308000, 310464, 317625, 320166, 323400, 326700, 330750, 332640, 338800, 346500, 348480, 352800, 355740, 363000, 363825, 365904, 369600, 378000, 379456, 381150, 388080, 392000, 396000, 404250, 406560, 408375, 415800, 423360, 423500, 426888, 431200, 435600, 441000, 444675, 457380, 462000, 465696, 474320, 475200, 484000, 485100, 487872, 504000, 508200, 517440, 519750, 522720, 529200, 533610, 539000, 544500, 554400, 569184, 571725, 580800, 582120, 588000, 592900, 594000, 606375, 609840, 616000, 635250, 640332, 646800, 653400, 661500, 665280, 677600, 693000, 705600, 711480, 726000, 727650, 731808, 741125, 756000, 762300, 776160, 792000, 800415, 808500, 813120, 816750, 831600, 847000, 853776, 862400, 871200, 882000, 889350, 914760, 924000, 931392, 948640, 952875, 968000, 970200, 1016400, 1039500, 1045440, 1058400, 1067220, 1078000, 1089000, 1108800, 1138368, 1143450, 1164240, 1176000, 1185800, 1188000, 1212750, 1219680, 1270500, 1280664, 1293600, 1306800, 1323000, 1334025, 1355200, 1386000, 1422960, 1452000, 1455300, 1463616, 1482250, 1512000, 1524600, 1552320, 1600830, 1617000, 1633500, 1663200, 1694000, 1707552, 1742400, 1764000, 1778700, 1819125, 1829520, 1848000, 1897280, 1905750, 1940400, 2032800, 2079000, 2116800, 2134440, 2156000, 2178000, 2223375, 2286900, 2328480, 2371600, 2376000, 2425500, 2439360, 2541000, 2561328, 2587200, 2613600, 2646000, 2668050, 2772000, 2845920, 2858625, 2904000, 2910600, 2964500, 3049200, 3201660, 3234000, 3267000, 3326400, 3388000, 3415104, 3528000, 3557400, 3638250, 3659040, 3811500, 3880800, 4002075, 4065600, 4158000, 4268880, 4312000, 4356000, 4446750, 4573800, 4656960, 4743200, 4851000, 5082000, 5122656, 5227200, 5292000, 5336100, 5544000, 5691840, 5717250, 5821200, 5929000, 6098400, 6403320, 6468000, 6534000, 6670125, 6776000, 7114800, 7276500, 7318080, 7623000, 7761600, 8004150, 8316000, 8537760, 8712000, 8893500, 9147600, 9486400, 9702000, 10164000, 10245312, 10584000, 10672200, 11434500, 11642400, 11858000, 12196800, 12806640, 12936000, 13068000, 13340250, 14229600, 14553000, 15246000, 16008300, 16632000, 17075520, 17787000, 18295200, 19404000, 20010375, 20328000, 21344400, 22869000, 23284800, 23716000, 25613280, 26136000, 26680500, 28459200, 29106000, 30492000, 32016600, 35574000, 36590400, 38808000, 40020750, 42688800, 45738000, 47432000, 51226560, 53361000, 58212000, 60984000, 64033200, 71148000, 80041500, 85377600, 91476000, 106722000, 116424000, 128066400, 142296000, 160083000, 182952000, 213444000, 256132800, 320166000, 426888000, 640332000, 1280664000]

約数ペア:

[(1, 1280664000), (2, 640332000), (3, 426888000), (4, 320166000), (5, 256132800), (6, 213444000), (7, 182952000), (8, 160083000), (9, 142296000), (10, 128066400), (11, 116424000), (12, 106722000), (14, 91476000), (15, 85377600), (16, 80041500), (18, 71148000), (20, 64033200), (21, 60984000), (22, 58212000), (24, 53361000), (25, 51226560), (27, 47432000), (28, 45738000), (30, 42688800), (32, 40020750), (33, 38808000), (35, 36590400), (36, 35574000), (40, 32016600), (42, 30492000), (44, 29106000), (45, 28459200), (48, 26680500), (49, 26136000), (50, 25613280), (54, 23716000), (55, 23284800), (56, 22869000), (60, 21344400), (63, 20328000), (64, 20010375), (66, 19404000), (70, 18295200), (72, 17787000), (75, 17075520), (77, 16632000), (80, 16008300), (84, 15246000), (88, 14553000), (90, 14229600), (96, 13340250), (98, 13068000), (99, 12936000), (100, 12806640), (105, 12196800), (108, 11858000), (110, 11642400), (112, 11434500), (120, 10672200), (121, 10584000), (125, 10245312), (126, 10164000), (132, 9702000), (135, 9486400), (140, 9147600), (144, 8893500), (147, 8712000), (150, 8537760), (154, 8316000), (160, 8004150), (165, 7761600), (168, 7623000), (175, 7318080), (176, 7276500), (180, 7114800), (189, 6776000), (192, 6670125), (196, 6534000), (198, 6468000), (200, 6403320), (210, 6098400), (216, 5929000), (220, 5821200), (224, 5717250), (225, 5691840), (231, 5544000), (240, 5336100), (242, 5292000), (245, 5227200), (250, 5122656), (252, 5082000), (264, 4851000), (270, 4743200), (275, 4656960), (280, 4573800), (288, 4446750), (294, 4356000), (297, 4312000), (300, 4268880), (308, 4158000), (315, 4065600), (320, 4002075), (330, 3880800), (336, 3811500), (350, 3659040), (352, 3638250), (360, 3557400), (363, 3528000), (375, 3415104), (378, 3388000), (385, 3326400), (392, 3267000), (396, 3234000), (400, 3201660), (420, 3049200), (432, 2964500), (440, 2910600), (441, 2904000), (448, 2858625), (450, 2845920), (462, 2772000), (480, 2668050), (484, 2646000), (490, 2613600), (495, 2587200), (500, 2561328), (504, 2541000), (525, 2439360), (528, 2425500), (539, 2376000), (540, 2371600), (550, 2328480), (560, 2286900), (576, 2223375), (588, 2178000), (594, 2156000), (600, 2134440), (605, 2116800), (616, 2079000), (630, 2032800), (660, 1940400), (672, 1905750), (675, 1897280), (693, 1848000), (700, 1829520), (704, 1819125), (720, 1778700), (726, 1764000), (735, 1742400), (750, 1707552), (756, 1694000), (770, 1663200), (784, 1633500), (792, 1617000), (800, 1600830), (825, 1552320), (840, 1524600), (847, 1512000), (864, 1482250), (875, 1463616), (880, 1455300), (882, 1452000), (900, 1422960), (924, 1386000), (945, 1355200), (960, 1334025), (968, 1323000), (980, 1306800), (990, 1293600), (1000, 1280664), (1008, 1270500), (1050, 1219680), (1056, 1212750), (1078, 1188000), (1080, 1185800), (1089, 1176000), (1100, 1164240), (1120, 1143450), (1125, 1138368), (1155, 1108800), (1176, 1089000), (1188, 1078000), (1200, 1067220), (1210, 1058400), (1225, 1045440), (1232, 1039500), (1260, 1016400), (1320, 970200), (1323, 968000), (1344, 952875), (1350, 948640), (1375, 931392), (1386, 924000), (1400, 914760), (1440, 889350), (1452, 882000), (1470, 871200), (1485, 862400), (1500, 853776), (1512, 847000), (1540, 831600), (1568, 816750), (1575, 813120), (1584, 808500), (1600, 800415), (1617, 792000), (1650, 776160), (1680, 762300), (1694, 756000), (1728, 741125), (1750, 731808), (1760, 727650), (1764, 726000), (1800, 711480), (1815, 705600), (1848, 693000), (1890, 677600), (1925, 665280), (1936, 661500), (1960, 653400), (1980, 646800), (2000, 640332), (2016, 635250), (2079, 616000), (2100, 609840), (2112, 606375), (2156, 594000), (2160, 592900), (2178, 588000), (2200, 582120), (2205, 580800), (2240, 571725), (2250, 569184), (2310, 554400), (2352, 544500), (2376, 539000), (2400, 533610), (2420, 529200), (2450, 522720), (2464, 519750), (2475, 517440), (2520, 508200), (2541, 504000), (2625, 487872), (2640, 485100), (2646, 484000), (2695, 475200), (2700, 474320), (2750, 465696), (2772, 462000), (2800, 457380), (2880, 444675), (2904, 441000), (2940, 435600), (2970, 431200), (3000, 426888), (3024, 423500), (3025, 423360), (3080, 415800), (3136, 408375), (3150, 406560), (3168, 404250), (3234, 396000), (3267, 392000), (3300, 388080), (3360, 381150), (3375, 379456), (3388, 378000), (3465, 369600), (3500, 365904), (3520, 363825), (3528, 363000), (3600, 355740), (3630, 352800), (3675, 348480), (3696, 346500), (3780, 338800), (3850, 332640), (3872, 330750), (3920, 326700), (3960, 323400), (4000, 320166), (4032, 317625), (4125, 310464), (4158, 308000), (4200, 304920), (4235, 302400), (4312, 297000), (4320, 296450), (4356, 294000), (4400, 291060), (4410, 290400), (4500, 284592), (4620, 277200), (4704, 272250), (4725, 271040), (4752, 269500), (4800, 266805), (4840, 264600), (4851, 264000), (4900, 261360), (4928, 259875), (4950, 258720), (5040, 254100), (5082, 252000), (5250, 243936), (5280, 242550), (5292, 242000), (5390, 237600), (5400, 237160), (5445, 235200), (5500, 232848), (5544, 231000), (5600, 228690), (5775, 221760), (5808, 220500), (5880, 217800), (5929, 216000), (5940, 215600), (6000, 213444), (6048, 211750), (6050, 211680), (6125, 209088), (6160, 207900), (6300, 203280), (6336, 202125), (6468, 198000), (6534, 196000), (6600, 194040), (6615, 193600), (6720, 190575), (6750, 189728), (6776, 189000), (6930, 184800), (7000, 182952), (7056, 181500), (7200, 177870), (7260, 176400), (7350, 174240), (7392, 173250), (7425, 172480), (7560, 169400), (7623, 168000), (7700, 166320), (7744, 165375), (7840, 163350), (7875, 162624), (7920, 161700), (8000, 160083), (8085, 158400), (8250, 155232), (8316, 154000), (8400, 152460), (8470, 151200), (8624, 148500), (8640, 148225), (8712, 147000), (8800, 145530), (8820, 145200), (9000, 142296), (9075, 141120), (9240, 138600), (9408, 136125), (9450, 135520), (9504, 134750), (9625, 133056), (9680, 132300), (9702, 132000), (9800, 130680), (9900, 129360), (10080, 127050), (10164, 126000), (10395, 123200), (10500, 121968), (10560, 121275), (10584, 121000), (10780, 118800), (10800, 118580), (10890, 117600), (11000, 116424), (11025, 116160), (11088, 115500), (11200, 114345), (11550, 110880), (11616, 110250), (11760, 108900), (11858, 108000), (11880, 107800), (12000, 106722), (12096, 105875), (12100, 105840), (12250, 104544), (12320, 103950), (12375, 103488), (12600, 101640), (12705, 100800), (12936, 99000), (13068, 98000), (13200, 97020), (13230, 96800), (13475, 95040), (13500, 94864), (13552, 94500), (13860, 92400), (14000, 91476), (14112, 90750), (14400, 88935), (14520, 88200), (14553, 88000), (14700, 87120), (14784, 86625), (14850, 86240), (15120, 84700), (15125, 84672), (15246, 84000), (15400, 83160), (15680, 81675), (15750, 81312), (15840, 80850), (16170, 79200), (16335, 78400), (16500, 77616), (16632, 77000), (16800, 76230), (16940, 75600), (17248, 74250), (17325, 73920), (17424, 73500), (17600, 72765), (17640, 72600), (17787, 72000), (18000, 71148), (18150, 70560), (18375, 69696), (18480, 69300), (18900, 67760), (19008, 67375), (19250, 66528), (19360, 66150), (19404, 66000), (19600, 65340), (19800, 64680), (20160, 63525), (20328, 63000), (20790, 61600), (21000, 60984), (21168, 60500), (21175, 60480), (21560, 59400), (21600, 59290), (21780, 58800), (22000, 58212), (22050, 58080), (22176, 57750), (22869, 56000), (23100, 55440), (23232, 55125), (23520, 54450), (23625, 54208), (23716, 54000), (23760, 53900), (24000, 53361), (24200, 52920), (24255, 52800), (24500, 52272), (24640, 51975), (24750, 51744), (25200, 50820), (25410, 50400), (25872, 49500), (26136, 49000), (26400, 48510), (26460, 48400), (26950, 47520), (27000, 47432), (27104, 47250), (27225, 47040), (27720, 46200), (28000, 45738), (28224, 45375), (28875, 44352), (29040, 44100), (29106, 44000), (29400, 43560), (29645, 43200), (29700, 43120), (30240, 42350), (30250, 42336), (30492, 42000), (30800, 41580), (31500, 40656), (31680, 40425), (32340, 39600), (32670, 39200), (33000, 38808), (33075, 38720), (33264, 38500), (33600, 38115), (33880, 37800), (34496, 37125), (34650, 36960), (34848, 36750), (35280, 36300), (35574, 36000)]