20981313360

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:453

約数の個数: 800

約数和(自身を含む): 88220639232

約数和(自身を除く): 67239325872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 43, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 81, 84, 86, 90, 93, 105, 108, 112, 120, 124, 126, 129, 135, 140, 144, 155, 162, 168, 172, 180, 186, 189, 210, 215, 216, 217, 240, 248, 252, 258, 270, 279, 280, 301, 310, 315, 324, 336, 344, 347, 360, 372, 378, 387, 405, 420, 430, 432, 434, 465, 496, 504, 516, 540, 558, 560, 567, 602, 620, 630, 645, 648, 651, 688, 694, 720, 744, 756, 774, 810, 837, 840, 860, 868, 903, 930, 945, 1008, 1032, 1041, 1080, 1085, 1116, 1134, 1161, 1204, 1240, 1260, 1290, 1296, 1302, 1333, 1388, 1395, 1488, 1505, 1512, 1548, 1620, 1674, 1680, 1720, 1735, 1736, 1806, 1860, 1890, 1935, 1953, 2064, 2082, 2160, 2170, 2232, 2268, 2322, 2408, 2429, 2480, 2511, 2520, 2580, 2604, 2666, 2709, 2776, 2790, 2835, 3010, 3024, 3096, 3123, 3240, 3255, 3348, 3440, 3470, 3472, 3483, 3612, 3720, 3780, 3870, 3906, 3999, 4164, 4185, 4340, 4464, 4515, 4536, 4644, 4816, 4858, 5022, 5040, 5160, 5205, 5208, 5332, 5418, 5552, 5580, 5670, 5805, 5859, 6020, 6192, 6246, 6480, 6510, 6665, 6696, 6940, 6966, 7224, 7287, 7440, 7560, 7740, 7812, 7998, 8127, 8328, 8370, 8680, 9030, 9072, 9288, 9331, 9369, 9716, 9765, 10044, 10320, 10410, 10416, 10664, 10757, 10836, 11160, 11340, 11610, 11718, 11997, 12040, 12145, 12492, 12555, 13020, 13330, 13392, 13545, 13880, 13932, 14448, 14574, 14921, 15120, 15480, 15615, 15624, 15996, 16254, 16656, 16740, 17360, 17415, 17577, 18060, 18576, 18662, 18738, 19432, 19530, 19995, 20088, 20820, 21328, 21514, 21672, 21861, 22320, 22680, 23220, 23436, 23994, 24080, 24290, 24381, 24984, 25110, 26040, 26660, 27090, 27760, 27864, 27993, 28107, 29148, 29295, 29842, 30960, 31230, 31248, 31992, 32271, 32508, 33480, 34830, 35154, 35991, 36120, 36435, 37324, 37476, 38864, 39060, 39990, 40176, 40635, 41640, 43028, 43344, 43722, 44763, 45360, 46440, 46655, 46845, 46872, 47988, 48580, 48762, 49968, 50220, 52080, 53320, 53785, 54180, 55728, 55986, 56214, 58296, 58590, 59684, 59985, 62460, 63984, 64542, 65016, 65583, 66960, 69660, 70308, 71982, 72240, 72870, 74605, 74648, 74952, 75299, 78120, 79980, 81270, 83280, 83979, 86056, 87444, 87885, 89526, 92880, 93310, 93690, 93744, 95976, 96813, 97160, 97524, 100440, 104447, 106640, 107570, 107973, 108360, 109305, 111972, 112428, 116592, 117180, 119368, 119970, 121905, 124920, 129084, 130032, 131166, 134289, 139320, 139965, 140535, 140616, 143964, 145740, 149210, 149296, 149904, 150598, 156240, 159960, 161355, 162540, 167958, 172112, 174888, 175770, 179052, 179955, 186620, 187380, 191952, 193626, 194320, 195048, 196749, 200880, 208894, 215140, 215946, 216720, 218610, 223815, 223944, 224856, 225897, 234360, 238736, 239940, 243810, 249840, 251937, 258168, 262332, 268578, 278640, 279930, 281070, 281232, 287928, 290439, 291480, 298420, 301196, 313341, 319920, 322710, 325080, 327915, 335916, 349776, 351540, 358104, 359910, 373240, 374760, 376495, 387252, 390096, 393498, 402867, 417788, 419895, 430280, 431892, 437220, 447630, 447888, 449712, 451794, 462551, 468720, 479880, 484065, 487620, 503874, 516336, 522235, 524664, 537156, 539865, 559860, 562140, 575856, 580878, 582960, 596840, 602392, 626682, 645420, 650160, 655830, 671445, 671832, 677691, 703080, 716208, 719820, 746480, 749520, 752990, 755811, 774504, 786996, 805734, 835576, 839790, 860560, 863784, 871317, 874440, 895260, 903588, 925102, 940023, 959760, 968130, 975240, 983745, 1007748, 1044470, 1049328, 1074312, 1079730, 1119720, 1124280, 1129485, 1161756, 1193680, 1204784, 1208601, 1253364, 1259685, 1290840, 1311660, 1342890, 1343664, 1355382, 1387653, 1406160, 1439640, 1452195, 1505980, 1511622, 1549008, 1566705, 1573992, 1611468, 1671152, 1679580, 1727568, 1742634, 1748880, 1790520, 1807176, 1850204, 1880046, 1936260, 1950480, 1967490, 2014335, 2015496, 2033073, 2088940, 2148624, 2159460, 2239440, 2248560, 2258970, 2312755, 2323512, 2417202, 2506728, 2519370, 2581680, 2623320, 2685780, 2710764, 2775306, 2820069, 2879280, 2904390, 3011960, 3023244, 3133410, 3147984, 3222936, 3237857, 3359160, 3388455, 3485268, 3581040, 3614352, 3700408, 3760092, 3779055, 3872520, 3934980, 4028670, 4030992, 4066146, 4162959, 4177880, 4318920, 4356585, 4517940, 4625510, 4647024, 4700115, 4834404, 5013456, 5038740, 5246640, 5371560, 5421528, 5550612, 5640138, 5808780, 6023920, 6043005, 6046488, 6099219, 6266820, 6445872, 6475714, 6718320, 6776910, 6938265, 6970536, 7400816, 7520184, 7558110, 7745040, 7869960, 8057340, 8132292, 8325918, 8355760, 8460207, 8637840, 8713170, 9035880, 9251020, 9400230, 9668808, 9713571, 10077480, 10165365, 10743120, 10843056, 11101224, 11280276, 11617560, 12086010, 12092976, 12198438, 12488877, 12533640, 12951428, 13553820, 13876530, 13941072, 14100345, 15040368, 15116220, 15739920, 16114680, 16189285, 16264584, 16651836, 16920414, 17426340, 18071760, 18502040, 18800460, 19337616, 19427142, 20154960, 20330730, 20814795, 22202448, 22560552, 23235120, 24172020, 24396876, 24977754, 25067280, 25902856, 27107640, 27753060, 28200690, 29140713, 30232440, 30496095, 32229360, 32378570, 32529168, 33303672, 33840828, 34852680, 37004080, 37466631, 37600920, 38854284, 40661460, 41629590, 42301035, 45121104, 48344040, 48567855, 48793752, 49955508, 51805712, 54215280, 55506120, 56401380, 58281426, 60464880, 60992190, 62444385, 64757140, 66607344, 67681656, 69705360, 74933262, 75201840, 77708568, 81322920, 83259180, 84602070, 87422139, 96688080, 97135710, 97587504, 99911016, 111012240, 112802760, 116562852, 121984380, 124888770, 129514280, 135363312, 145703565, 149866524, 155417136, 162645840, 166518360, 169204140, 174844278, 187333155, 194271420, 199822032, 225605520, 233125704, 243968760, 249777540, 259028560, 262266417, 291407130, 299733048, 333036720, 338408280, 349688556, 374666310, 388542840, 437110695, 466251408, 487937520, 499555080, 524532834, 582814260, 599466096, 676816560, 699377112, 749332620, 777085680, 874221390, 999110160, 1049065668, 1165628520, 1311332085, 1398754224, 1498665240, 1748442780, 2098131336, 2331257040, 2622664170, 2997330480, 3496885560, 4196262672, 5245328340, 6993771120, 10490656680, 20981313360]

約数ペア:

[(1, 20981313360), (2, 10490656680), (3, 6993771120), (4, 5245328340), (5, 4196262672), (6, 3496885560), (7, 2997330480), (8, 2622664170), (9, 2331257040), (10, 2098131336), (12, 1748442780), (14, 1498665240), (15, 1398754224), (16, 1311332085), (18, 1165628520), (20, 1049065668), (21, 999110160), (24, 874221390), (27, 777085680), (28, 749332620), (30, 699377112), (31, 676816560), (35, 599466096), (36, 582814260), (40, 524532834), (42, 499555080), (43, 487937520), (45, 466251408), (48, 437110695), (54, 388542840), (56, 374666310), (60, 349688556), (62, 338408280), (63, 333036720), (70, 299733048), (72, 291407130), (80, 262266417), (81, 259028560), (84, 249777540), (86, 243968760), (90, 233125704), (93, 225605520), (105, 199822032), (108, 194271420), (112, 187333155), (120, 174844278), (124, 169204140), (126, 166518360), (129, 162645840), (135, 155417136), (140, 149866524), (144, 145703565), (155, 135363312), (162, 129514280), (168, 124888770), (172, 121984380), (180, 116562852), (186, 112802760), (189, 111012240), (210, 99911016), (215, 97587504), (216, 97135710), (217, 96688080), (240, 87422139), (248, 84602070), (252, 83259180), (258, 81322920), (270, 77708568), (279, 75201840), (280, 74933262), (301, 69705360), (310, 67681656), (315, 66607344), (324, 64757140), (336, 62444385), (344, 60992190), (347, 60464880), (360, 58281426), (372, 56401380), (378, 55506120), (387, 54215280), (405, 51805712), (420, 49955508), (430, 48793752), (432, 48567855), (434, 48344040), (465, 45121104), (496, 42301035), (504, 41629590), (516, 40661460), (540, 38854284), (558, 37600920), (560, 37466631), (567, 37004080), (602, 34852680), (620, 33840828), (630, 33303672), (645, 32529168), (648, 32378570), (651, 32229360), (688, 30496095), (694, 30232440), (720, 29140713), (744, 28200690), (756, 27753060), (774, 27107640), (810, 25902856), (837, 25067280), (840, 24977754), (860, 24396876), (868, 24172020), (903, 23235120), (930, 22560552), (945, 22202448), (1008, 20814795), (1032, 20330730), (1041, 20154960), (1080, 19427142), (1085, 19337616), (1116, 18800460), (1134, 18502040), (1161, 18071760), (1204, 17426340), (1240, 16920414), (1260, 16651836), (1290, 16264584), (1296, 16189285), (1302, 16114680), (1333, 15739920), (1388, 15116220), (1395, 15040368), (1488, 14100345), (1505, 13941072), (1512, 13876530), (1548, 13553820), (1620, 12951428), (1674, 12533640), (1680, 12488877), (1720, 12198438), (1735, 12092976), (1736, 12086010), (1806, 11617560), (1860, 11280276), (1890, 11101224), (1935, 10843056), (1953, 10743120), (2064, 10165365), (2082, 10077480), (2160, 9713571), (2170, 9668808), (2232, 9400230), (2268, 9251020), (2322, 9035880), (2408, 8713170), (2429, 8637840), (2480, 8460207), (2511, 8355760), (2520, 8325918), (2580, 8132292), (2604, 8057340), (2666, 7869960), (2709, 7745040), (2776, 7558110), (2790, 7520184), (2835, 7400816), (3010, 6970536), (3024, 6938265), (3096, 6776910), (3123, 6718320), (3240, 6475714), (3255, 6445872), (3348, 6266820), (3440, 6099219), (3470, 6046488), (3472, 6043005), (3483, 6023920), (3612, 5808780), (3720, 5640138), (3780, 5550612), (3870, 5421528), (3906, 5371560), (3999, 5246640), (4164, 5038740), (4185, 5013456), (4340, 4834404), (4464, 4700115), (4515, 4647024), (4536, 4625510), (4644, 4517940), (4816, 4356585), (4858, 4318920), (5022, 4177880), (5040, 4162959), (5160, 4066146), (5205, 4030992), (5208, 4028670), (5332, 3934980), (5418, 3872520), (5552, 3779055), (5580, 3760092), (5670, 3700408), (5805, 3614352), (5859, 3581040), (6020, 3485268), (6192, 3388455), (6246, 3359160), (6480, 3237857), (6510, 3222936), (6665, 3147984), (6696, 3133410), (6940, 3023244), (6966, 3011960), (7224, 2904390), (7287, 2879280), (7440, 2820069), (7560, 2775306), (7740, 2710764), (7812, 2685780), (7998, 2623320), (8127, 2581680), (8328, 2519370), (8370, 2506728), (8680, 2417202), (9030, 2323512), (9072, 2312755), (9288, 2258970), (9331, 2248560), (9369, 2239440), (9716, 2159460), (9765, 2148624), (10044, 2088940), (10320, 2033073), (10410, 2015496), (10416, 2014335), (10664, 1967490), (10757, 1950480), (10836, 1936260), (11160, 1880046), (11340, 1850204), (11610, 1807176), (11718, 1790520), (11997, 1748880), (12040, 1742634), (12145, 1727568), (12492, 1679580), (12555, 1671152), (13020, 1611468), (13330, 1573992), (13392, 1566705), (13545, 1549008), (13880, 1511622), (13932, 1505980), (14448, 1452195), (14574, 1439640), (14921, 1406160), (15120, 1387653), (15480, 1355382), (15615, 1343664), (15624, 1342890), (15996, 1311660), (16254, 1290840), (16656, 1259685), (16740, 1253364), (17360, 1208601), (17415, 1204784), (17577, 1193680), (18060, 1161756), (18576, 1129485), (18662, 1124280), (18738, 1119720), (19432, 1079730), (19530, 1074312), (19995, 1049328), (20088, 1044470), (20820, 1007748), (21328, 983745), (21514, 975240), (21672, 968130), (21861, 959760), (22320, 940023), (22680, 925102), (23220, 903588), (23436, 895260), (23994, 874440), (24080, 871317), (24290, 863784), (24381, 860560), (24984, 839790), (25110, 835576), (26040, 805734), (26660, 786996), (27090, 774504), (27760, 755811), (27864, 752990), (27993, 749520), (28107, 746480), (29148, 719820), (29295, 716208), (29842, 703080), (30960, 677691), (31230, 671832), (31248, 671445), (31992, 655830), (32271, 650160), (32508, 645420), (33480, 626682), (34830, 602392), (35154, 596840), (35991, 582960), (36120, 580878), (36435, 575856), (37324, 562140), (37476, 559860), (38864, 539865), (39060, 537156), (39990, 524664), (40176, 522235), (40635, 516336), (41640, 503874), (43028, 487620), (43344, 484065), (43722, 479880), (44763, 468720), (45360, 462551), (46440, 451794), (46655, 449712), (46845, 447888), (46872, 447630), (47988, 437220), (48580, 431892), (48762, 430280), (49968, 419895), (50220, 417788), (52080, 402867), (53320, 393498), (53785, 390096), (54180, 387252), (55728, 376495), (55986, 374760), (56214, 373240), (58296, 359910), (58590, 358104), (59684, 351540), (59985, 349776), (62460, 335916), (63984, 327915), (64542, 325080), (65016, 322710), (65583, 319920), (66960, 313341), (69660, 301196), (70308, 298420), (71982, 291480), (72240, 290439), (72870, 287928), (74605, 281232), (74648, 281070), (74952, 279930), (75299, 278640), (78120, 268578), (79980, 262332), (81270, 258168), (83280, 251937), (83979, 249840), (86056, 243810), (87444, 239940), (87885, 238736), (89526, 234360), (92880, 225897), (93310, 224856), (93690, 223944), (93744, 223815), (95976, 218610), (96813, 216720), (97160, 215946), (97524, 215140), (100440, 208894), (104447, 200880), (106640, 196749), (107570, 195048), (107973, 194320), (108360, 193626), (109305, 191952), (111972, 187380), (112428, 186620), (116592, 179955), (117180, 179052), (119368, 175770), (119970, 174888), (121905, 172112), (124920, 167958), (129084, 162540), (130032, 161355), (131166, 159960), (134289, 156240), (139320, 150598), (139965, 149904), (140535, 149296), (140616, 149210), (143964, 145740)]