18688435920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:384

約数の個数: 960

約数和(自身を含む): 84234608640

約数和(自身を除く): 65546172720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 28, 30, 33, 34, 35, 36, 40, 42, 44, 45, 48, 51, 55, 56, 60, 63, 66, 68, 70, 72, 77, 79, 80, 84, 85, 88, 90, 99, 102, 105, 110, 112, 119, 120, 126, 132, 136, 140, 144, 153, 154, 158, 165, 168, 170, 176, 180, 187, 198, 204, 210, 220, 231, 237, 238, 240, 251, 252, 255, 264, 272, 280, 306, 308, 315, 316, 330, 336, 340, 357, 360, 374, 385, 395, 396, 408, 420, 440, 462, 474, 476, 495, 502, 504, 510, 528, 553, 560, 561, 595, 612, 616, 630, 632, 660, 680, 693, 711, 714, 720, 748, 753, 765, 770, 790, 792, 816, 840, 869, 880, 924, 935, 948, 952, 990, 1004, 1008, 1020, 1071, 1106, 1122, 1155, 1185, 1190, 1224, 1232, 1255, 1260, 1264, 1309, 1320, 1343, 1360, 1386, 1422, 1428, 1496, 1506, 1530, 1540, 1580, 1584, 1659, 1680, 1683, 1738, 1757, 1785, 1848, 1870, 1896, 1904, 1980, 2008, 2040, 2142, 2212, 2244, 2259, 2310, 2370, 2380, 2448, 2510, 2520, 2607, 2618, 2640, 2686, 2761, 2765, 2772, 2805, 2844, 2856, 2992, 3012, 3060, 3080, 3160, 3318, 3366, 3465, 3476, 3514, 3555, 3570, 3696, 3740, 3765, 3792, 3927, 3960, 4016, 4029, 4080, 4267, 4284, 4345, 4424, 4488, 4518, 4620, 4740, 4760, 4977, 5020, 5040, 5214, 5236, 5271, 5355, 5372, 5522, 5530, 5544, 5610, 5688, 5712, 6024, 6083, 6120, 6160, 6320, 6545, 6636, 6715, 6732, 6930, 6952, 7028, 7110, 7140, 7480, 7530, 7821, 7854, 7920, 8058, 8283, 8295, 8415, 8534, 8568, 8690, 8785, 8848, 8976, 9036, 9240, 9401, 9480, 9520, 9954, 10040, 10428, 10472, 10542, 10710, 10744, 11044, 11060, 11088, 11220, 11295, 11376, 11781, 12048, 12087, 12166, 12240, 12801, 13035, 13090, 13272, 13430, 13464, 13805, 13860, 13904, 14056, 14220, 14280, 14773, 14960, 15060, 15642, 15708, 15813, 16116, 16566, 16590, 16830, 17068, 17136, 17380, 17570, 18072, 18249, 18480, 18802, 18960, 19327, 19635, 19829, 19908, 20080, 20145, 20856, 20944, 21084, 21335, 21420, 21488, 22088, 22120, 22440, 22590, 23562, 24174, 24332, 24849, 24885, 25602, 26070, 26180, 26355, 26544, 26860, 26928, 27610, 27720, 28112, 28203, 28440, 28560, 29546, 29869, 30120, 30415, 31284, 31416, 31626, 32232, 33132, 33180, 33660, 34136, 34760, 35140, 36144, 36498, 37604, 38403, 38654, 39105, 39270, 39658, 39816, 40290, 41415, 41712, 42168, 42670, 42840, 44176, 44240, 44319, 44880, 45180, 46937, 47005, 47124, 48348, 48664, 49698, 49770, 51204, 52140, 52360, 52710, 53720, 54747, 55220, 55440, 56406, 56880, 57981, 58905, 59092, 59487, 59738, 60240, 60435, 60830, 62568, 62832, 63252, 64005, 64464, 66264, 66360, 67320, 68272, 69520, 70280, 72996, 73865, 75208, 76806, 77308, 78210, 78540, 79065, 79316, 79632, 80580, 82830, 84336, 84609, 85340, 85680, 88638, 89607, 90360, 91245, 93874, 94010, 94248, 96635, 96696, 97328, 99145, 99396, 99540, 102408, 103411, 104280, 104720, 105420, 107440, 109494, 110440, 112812, 115962, 117810, 118184, 118974, 119476, 120870, 121660, 124245, 125136, 126504, 128010, 132528, 132720, 132957, 134640, 138803, 140560, 140811, 141015, 145992, 147730, 149345, 150416, 153612, 154616, 156420, 157080, 158130, 158632, 161160, 165660, 169218, 170680, 173943, 177276, 178461, 179214, 180720, 182490, 187748, 188020, 188496, 192015, 193270, 193392, 198290, 198792, 199080, 204816, 206822, 208560, 210840, 218119, 218988, 220880, 221595, 225624, 231924, 234685, 235620, 236368, 237948, 238952, 241740, 243320, 248490, 253008, 256020, 265914, 268821, 273735, 277606, 281622, 282030, 289905, 291984, 295460, 297435, 298690, 307224, 309232, 310233, 312840, 314160, 316260, 317264, 322320, 328559, 331320, 337093, 338436, 341360, 347886, 354552, 356922, 358428, 364980, 375496, 376040, 384030, 386540, 396580, 397584, 398160, 413644, 416409, 421680, 422433, 423045, 436238, 437976, 443190, 448035, 451248, 463848, 469370, 471240, 475896, 477904, 483480, 486640, 496980, 512040, 517055, 531828, 537642, 547470, 555212, 563244, 564060, 579810, 590920, 594870, 597380, 614448, 620466, 625680, 632520, 654357, 657118, 662640, 664785, 674186, 676872, 694015, 695772, 704055, 709104, 713844, 716856, 729960, 750992, 752080, 768060, 773080, 793160, 827288, 832818, 844866, 846090, 869715, 872476, 875952, 886380, 892305, 896070, 927696, 930699, 938740, 942480, 951792, 966960, 985677, 993960, 1011279, 1024080, 1034110, 1063656, 1075284, 1090595, 1094940, 1110424, 1126488, 1128120, 1159620, 1181840, 1189740, 1194760, 1240932, 1249227, 1265040, 1308714, 1314236, 1329570, 1344105, 1348372, 1353744, 1388030, 1391544, 1408110, 1427688, 1433712, 1459920, 1526833, 1536120, 1546160, 1551165, 1586320, 1642795, 1654576, 1665636, 1685465, 1689732, 1692180, 1739430, 1744952, 1772760, 1784610, 1792140, 1861398, 1877480, 1963071, 1971354, 1987920, 2022558, 2068220, 2082045, 2112165, 2127312, 2150568, 2181190, 2189880, 2220848, 2252976, 2256240, 2319240, 2359651, 2379480, 2389520, 2481864, 2498454, 2617428, 2628472, 2659140, 2688210, 2696744, 2776060, 2783088, 2816220, 2855376, 2957031, 3033837, 3053666, 3072240, 3102330, 3271785, 3285590, 3331272, 3370930, 3379464, 3384360, 3478860, 3489904, 3545520, 3569220, 3584280, 3708023, 3722796, 3754960, 3926142, 3942708, 4045116, 4136440, 4164090, 4224330, 4301136, 4362380, 4379760, 4580499, 4638480, 4653495, 4719302, 4758960, 4928385, 4963728, 4996908, 5056395, 5234856, 5256944, 5318280, 5376420, 5393488, 5552120, 5632440, 5914062, 6067674, 6107332, 6204660, 6246135, 6543570, 6571180, 6662544, 6741860, 6758928, 6768720, 6957720, 7078953, 7138440, 7168560, 7416046, 7445592, 7634165, 7852284, 7885416, 8090232, 8272880, 8328180, 8448660, 8724760, 9160998, 9306990, 9438604, 9815355, 9856770, 9993816, 10112790, 10469712, 10636560, 10752840, 11104240, 11124069, 11264880, 11798255, 11828124, 12135348, 12214664, 12409320, 12492270, 13087140, 13142360, 13483720, 13741497, 13915440, 14157906, 14276880, 14785155, 14832092, 14891184, 15169185, 15268330, 15704568, 15770832, 16180464, 16656360, 16897320, 17449520, 18321996, 18540115, 18613980, 18877208, 19630710, 19713540, 19987632, 20225580, 21236859, 21505680, 22248138, 22902495, 23596510, 23656248, 24270696, 24429328, 24818640, 24984540, 25956161, 26174280, 26284720, 26967440, 27482994, 28315812, 29570310, 29664184, 30338370, 30536660, 31409136, 33312720, 33372207, 33794640, 35394765, 36643992, 37080230, 37227960, 37754416, 39261420, 39427080, 40451160, 42473718, 44496276, 45804990, 47193020, 47312496, 48541392, 49969080, 51912322, 52348560, 54965988, 55620345, 56631624, 59140620, 59328368, 60676740, 61073320, 66744414, 68707485, 70789530, 73287984, 74160460, 74455920, 77868483, 78522840, 78854160, 80902320, 84947436, 88992552, 91609980, 94386040, 99938160, 103824644, 106184295, 109931976, 111240690, 113263248, 118281240, 121353480, 122146640, 129780805, 133488828, 137414970, 141579060, 148320920, 155736966, 157045680, 166861035, 169894872, 177985104, 183219960, 188772080, 207649288, 212368590, 219863952, 222481380, 233605449, 236562480, 242706960, 259561610, 266977656, 274829940, 283158120, 296641840, 311473932, 333722070, 339789744, 366439920, 389342415, 415298576, 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約数ペア:

[(1, 18688435920), (2, 9344217960), (3, 6229478640), (4, 4672108980), (5, 3737687184), (6, 3114739320), (7, 2669776560), (8, 2336054490), (9, 2076492880), (10, 1868843592), (11, 1698948720), (12, 1557369660), (14, 1334888280), (15, 1245895728), (16, 1168027245), (17, 1099319760), (18, 1038246440), (20, 934421796), (21, 889925520), (22, 849474360), (24, 778684830), (28, 667444140), (30, 622947864), (33, 566316240), (34, 549659880), (35, 533955312), (36, 519123220), (40, 467210898), (42, 444962760), (44, 424737180), (45, 415298576), (48, 389342415), (51, 366439920), (55, 339789744), (56, 333722070), (60, 311473932), (63, 296641840), (66, 283158120), (68, 274829940), (70, 266977656), (72, 259561610), (77, 242706960), (79, 236562480), (80, 233605449), (84, 222481380), (85, 219863952), (88, 212368590), (90, 207649288), (99, 188772080), (102, 183219960), (105, 177985104), (110, 169894872), (112, 166861035), (119, 157045680), (120, 155736966), (126, 148320920), (132, 141579060), (136, 137414970), (140, 133488828), (144, 129780805), (153, 122146640), (154, 121353480), (158, 118281240), (165, 113263248), (168, 111240690), (170, 109931976), (176, 106184295), (180, 103824644), (187, 99938160), (198, 94386040), (204, 91609980), (210, 88992552), (220, 84947436), (231, 80902320), (237, 78854160), (238, 78522840), (240, 77868483), (251, 74455920), (252, 74160460), (255, 73287984), (264, 70789530), (272, 68707485), (280, 66744414), (306, 61073320), (308, 60676740), (315, 59328368), (316, 59140620), (330, 56631624), (336, 55620345), (340, 54965988), (357, 52348560), (360, 51912322), (374, 49969080), (385, 48541392), (395, 47312496), (396, 47193020), (408, 45804990), (420, 44496276), (440, 42473718), (462, 40451160), (474, 39427080), (476, 39261420), (495, 37754416), (502, 37227960), (504, 37080230), (510, 36643992), (528, 35394765), (553, 33794640), (560, 33372207), (561, 33312720), (595, 31409136), (612, 30536660), (616, 30338370), (630, 29664184), (632, 29570310), (660, 28315812), (680, 27482994), (693, 26967440), (711, 26284720), (714, 26174280), (720, 25956161), (748, 24984540), (753, 24818640), (765, 24429328), (770, 24270696), (790, 23656248), (792, 23596510), (816, 22902495), (840, 22248138), (869, 21505680), (880, 21236859), (924, 20225580), (935, 19987632), (948, 19713540), (952, 19630710), (990, 18877208), (1004, 18613980), (1008, 18540115), (1020, 18321996), (1071, 17449520), (1106, 16897320), (1122, 16656360), (1155, 16180464), (1185, 15770832), (1190, 15704568), (1224, 15268330), (1232, 15169185), (1255, 14891184), (1260, 14832092), (1264, 14785155), (1309, 14276880), (1320, 14157906), (1343, 13915440), (1360, 13741497), (1386, 13483720), (1422, 13142360), (1428, 13087140), (1496, 12492270), (1506, 12409320), (1530, 12214664), (1540, 12135348), (1580, 11828124), (1584, 11798255), (1659, 11264880), (1680, 11124069), (1683, 11104240), (1738, 10752840), (1757, 10636560), (1785, 10469712), (1848, 10112790), (1870, 9993816), (1896, 9856770), (1904, 9815355), (1980, 9438604), (2008, 9306990), (2040, 9160998), (2142, 8724760), (2212, 8448660), (2244, 8328180), (2259, 8272880), (2310, 8090232), (2370, 7885416), (2380, 7852284), (2448, 7634165), (2510, 7445592), (2520, 7416046), (2607, 7168560), (2618, 7138440), (2640, 7078953), (2686, 6957720), (2761, 6768720), (2765, 6758928), (2772, 6741860), (2805, 6662544), (2844, 6571180), (2856, 6543570), (2992, 6246135), (3012, 6204660), (3060, 6107332), (3080, 6067674), (3160, 5914062), (3318, 5632440), (3366, 5552120), (3465, 5393488), (3476, 5376420), (3514, 5318280), (3555, 5256944), (3570, 5234856), (3696, 5056395), (3740, 4996908), (3765, 4963728), (3792, 4928385), (3927, 4758960), (3960, 4719302), (4016, 4653495), (4029, 4638480), (4080, 4580499), (4267, 4379760), (4284, 4362380), (4345, 4301136), (4424, 4224330), (4488, 4164090), (4518, 4136440), (4620, 4045116), (4740, 3942708), (4760, 3926142), (4977, 3754960), (5020, 3722796), (5040, 3708023), (5214, 3584280), (5236, 3569220), (5271, 3545520), (5355, 3489904), (5372, 3478860), (5522, 3384360), (5530, 3379464), (5544, 3370930), (5610, 3331272), (5688, 3285590), (5712, 3271785), (6024, 3102330), (6083, 3072240), (6120, 3053666), (6160, 3033837), (6320, 2957031), (6545, 2855376), (6636, 2816220), (6715, 2783088), (6732, 2776060), (6930, 2696744), (6952, 2688210), (7028, 2659140), (7110, 2628472), (7140, 2617428), (7480, 2498454), (7530, 2481864), (7821, 2389520), (7854, 2379480), (7920, 2359651), (8058, 2319240), (8283, 2256240), (8295, 2252976), (8415, 2220848), (8534, 2189880), (8568, 2181190), (8690, 2150568), (8785, 2127312), (8848, 2112165), (8976, 2082045), (9036, 2068220), (9240, 2022558), (9401, 1987920), (9480, 1971354), (9520, 1963071), (9954, 1877480), (10040, 1861398), (10428, 1792140), (10472, 1784610), (10542, 1772760), (10710, 1744952), (10744, 1739430), (11044, 1692180), (11060, 1689732), (11088, 1685465), (11220, 1665636), (11295, 1654576), (11376, 1642795), (11781, 1586320), (12048, 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(26070, 716856), (26180, 713844), (26355, 709104), (26544, 704055), (26860, 695772), (26928, 694015), (27610, 676872), (27720, 674186), (28112, 664785), (28203, 662640), (28440, 657118), (28560, 654357), (29546, 632520), (29869, 625680), (30120, 620466), (30415, 614448), (31284, 597380), (31416, 594870), (31626, 590920), (32232, 579810), (33132, 564060), (33180, 563244), (33660, 555212), (34136, 547470), (34760, 537642), (35140, 531828), (36144, 517055), (36498, 512040), (37604, 496980), (38403, 486640), (38654, 483480), (39105, 477904), (39270, 475896), (39658, 471240), (39816, 469370), (40290, 463848), (41415, 451248), (41712, 448035), (42168, 443190), (42670, 437976), (42840, 436238), (44176, 423045), (44240, 422433), (44319, 421680), (44880, 416409), (45180, 413644), (46937, 398160), (47005, 397584), (47124, 396580), (48348, 386540), (48664, 384030), (49698, 376040), (49770, 375496), (51204, 364980), (52140, 358428), (52360, 356922), (52710, 354552), (53720, 347886), (54747, 341360), (55220, 338436), (55440, 337093), (56406, 331320), (56880, 328559), (57981, 322320), (58905, 317264), (59092, 316260), (59487, 314160), (59738, 312840), (60240, 310233), (60435, 309232), (60830, 307224), (62568, 298690), (62832, 297435), (63252, 295460), (64005, 291984), (64464, 289905), (66264, 282030), (66360, 281622), (67320, 277606), (68272, 273735), (69520, 268821), (70280, 265914), (72996, 256020), (73865, 253008), (75208, 248490), (76806, 243320), (77308, 241740), (78210, 238952), (78540, 237948), (79065, 236368), (79316, 235620), (79632, 234685), (80580, 231924), (82830, 225624), (84336, 221595), (84609, 220880), (85340, 218988), (85680, 218119), (88638, 210840), (89607, 208560), (90360, 206822), (91245, 204816), (93874, 199080), (94010, 198792), (94248, 198290), (96635, 193392), (96696, 193270), (97328, 192015), (99145, 188496), (99396, 188020), (99540, 187748), (102408, 182490), (103411, 180720), (104280, 179214), (104720, 178461), (105420, 177276), (107440, 173943), (109494, 170680), (110440, 169218), (112812, 165660), (115962, 161160), (117810, 158632), (118184, 158130), (118974, 157080), (119476, 156420), (120870, 154616), (121660, 153612), (124245, 150416), (125136, 149345), (126504, 147730), (128010, 145992), (132528, 141015), (132720, 140811), (132957, 140560), (134640, 138803)]