19974988800

素因数分解:

$2^{10}\times 3^5\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:90

約数の個数: 1188

約数和(自身を含む): 84539953680

約数和(自身を除く): 64564964880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 25, 26, 27, 30, 32, 36, 38, 39, 40, 45, 48, 50, 52, 54, 57, 60, 64, 65, 72, 75, 76, 78, 80, 81, 90, 95, 96, 100, 104, 108, 114, 117, 120, 128, 130, 135, 144, 150, 152, 156, 160, 162, 169, 171, 180, 190, 192, 195, 200, 208, 216, 225, 228, 234, 240, 243, 247, 256, 260, 270, 285, 288, 300, 304, 312, 320, 324, 325, 338, 342, 351, 360, 380, 384, 390, 400, 405, 416, 432, 450, 456, 468, 475, 480, 486, 494, 507, 512, 513, 520, 540, 570, 576, 585, 600, 608, 624, 640, 648, 650, 675, 676, 684, 702, 720, 741, 760, 768, 780, 800, 810, 832, 845, 855, 864, 900, 912, 936, 950, 960, 972, 975, 988, 1014, 1024, 1026, 1040, 1053, 1080, 1140, 1152, 1170, 1200, 1215, 1216, 1235, 1248, 1280, 1296, 1300, 1350, 1352, 1368, 1404, 1425, 1440, 1482, 1520, 1521, 1536, 1539, 1560, 1600, 1620, 1664, 1690, 1710, 1728, 1755, 1800, 1824, 1872, 1900, 1920, 1944, 1950, 1976, 2025, 2028, 2052, 2080, 2106, 2160, 2223, 2280, 2304, 2340, 2400, 2430, 2432, 2470, 2496, 2535, 2560, 2565, 2592, 2600, 2700, 2704, 2736, 2808, 2850, 2880, 2925, 2964, 3040, 3042, 3072, 3078, 3120, 3159, 3200, 3211, 3240, 3328, 3380, 3420, 3456, 3510, 3600, 3648, 3705, 3744, 3800, 3840, 3888, 3900, 3952, 4050, 4056, 4104, 4160, 4212, 4225, 4275, 4320, 4446, 4560, 4563, 4608, 4617, 4680, 4800, 4860, 4864, 4940, 4992, 5070, 5120, 5130, 5184, 5200, 5265, 5400, 5408, 5472, 5616, 5700, 5760, 5850, 5928, 6075, 6080, 6084, 6156, 6175, 6240, 6318, 6400, 6422, 6480, 6656, 6669, 6760, 6840, 6912, 7020, 7200, 7296, 7410, 7488, 7600, 7605, 7680, 7695, 7776, 7800, 7904, 8100, 8112, 8208, 8320, 8424, 8450, 8550, 8640, 8775, 8892, 9120, 9126, 9216, 9234, 9360, 9600, 9633, 9720, 9728, 9880, 9984, 10140, 10260, 10368, 10400, 10530, 10800, 10816, 10944, 11115, 11232, 11400, 11520, 11700, 11856, 12150, 12160, 12168, 12312, 12350, 12480, 12636, 12675, 12800, 12825, 12844, 12960, 13312, 13338, 13520, 13680, 13689, 13824, 14040, 14400, 14592, 14820, 14976, 15200, 15210, 15360, 15390, 15552, 15600, 15795, 15808, 16055, 16200, 16224, 16416, 16640, 16848, 16900, 17100, 17280, 17550, 17784, 18240, 18252, 18468, 18525, 18720, 19200, 19266, 19440, 19456, 19760, 19968, 20007, 20280, 20520, 20736, 20800, 21060, 21600, 21632, 21888, 22230, 22464, 22800, 22815, 23040, 23085, 23400, 23712, 24300, 24320, 24336, 24624, 24700, 24960, 25272, 25350, 25600, 25650, 25688, 25920, 26325, 26676, 27040, 27360, 27378, 27648, 28080, 28800, 28899, 29184, 29640, 29952, 30400, 30420, 30780, 31104, 31200, 31590, 31616, 32110, 32400, 32448, 32832, 33280, 33345, 33696, 33800, 34200, 34560, 35100, 35568, 36480, 36504, 36936, 37050, 37440, 38025, 38400, 38475, 38532, 38880, 39520, 39936, 40014, 40560, 41040, 41067, 41472, 41600, 42120, 43200, 43264, 43776, 44460, 44928, 45600, 45630, 46080, 46170, 46800, 47424, 48165, 48600, 48640, 48672, 49248, 49400, 49920, 50544, 50700, 51300, 51376, 51840, 52650, 53352, 54080, 54720, 54756, 55575, 56160, 57600, 57798, 58368, 59280, 59904, 60021, 60800, 60840, 61560, 62208, 62400, 63180, 63232, 64220, 64800, 64896, 65664, 66560, 66690, 67392, 67600, 68400, 68445, 69120, 70200, 71136, 72960, 73008, 73872, 74100, 74880, 76050, 76800, 76950, 77064, 77760, 78975, 79040, 80028, 80275, 81120, 82080, 82134, 82944, 83200, 84240, 86400, 86528, 86697, 87552, 88920, 89856, 91200, 91260, 92340, 93600, 94848, 96330, 97200, 97280, 97344, 98496, 98800, 99840, 100035, 101088, 101400, 102600, 102752, 103680, 105300, 106704, 108160, 109440, 109512, 111150, 112320, 114075, 115200, 115425, 115596, 118560, 119808, 120042, 121600, 121680, 123120, 124416, 124800, 126360, 126464, 128440, 129600, 129792, 131328, 133380, 134784, 135200, 136800, 136890, 138240, 140400, 142272, 144495, 145920, 146016, 147744, 148200, 149760, 152100, 153900, 154128, 155520, 157950, 158080, 160056, 160550, 162240, 164160, 164268, 166400, 166725, 168480, 172800, 173056, 173394, 175104, 177840, 179712, 182400, 182520, 184680, 187200, 189696, 192660, 194400, 194688, 196992, 197600, 199680, 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631800, 632320, 640224, 642200, 648960, 656640, 657072, 666900, 673920, 684450, 691200, 693576, 711360, 722475, 729600, 730080, 738720, 748800, 758784, 770640, 777600, 778752, 780273, 787968, 790400, 800280, 808704, 811200, 820800, 821340, 822016, 842400, 853632, 865280, 866970, 875520, 876096, 889200, 898560, 912600, 923400, 924768, 948480, 960336, 963300, 973440, 984960, 998400, 1000350, 1010880, 1026675, 1027520, 1036800, 1040364, 1067040, 1078272, 1081600, 1094400, 1095120, 1123200, 1138176, 1155960, 1168128, 1181952, 1185600, 1200420, 1216800, 1231200, 1233024, 1244160, 1263600, 1264640, 1280448, 1284400, 1297920, 1300455, 1313280, 1314144, 1333800, 1347840, 1368900, 1387152, 1422720, 1444950, 1459200, 1460160, 1477440, 1497600, 1500525, 1541280, 1555200, 1557504, 1560546, 1575936, 1580800, 1600560, 1617408, 1622400, 1641600, 1642680, 1644032, 1684800, 1707264, 1733940, 1752192, 1778400, 1797120, 1825200, 1846800, 1849536, 1896960, 1920672, 1926600, 1946880, 1969920, 2000700, 2021760, 2053350, 2055040, 2073600, 2080728, 2134080, 2163200, 2167425, 2188800, 2190240, 2246400, 2276352, 2311920, 2336256, 2363904, 2371200, 2400840, 2433600, 2462400, 2466048, 2527200, 2560896, 2568800, 2595840, 2600910, 2626560, 2628288, 2667600, 2695680, 2737800, 2774304, 2845440, 2889900, 2920320, 2954880, 2995200, 3001050, 3082560, 3110400, 3121092, 3161600, 3201120, 3234816, 3244800, 3283200, 3285360, 3288064, 3369600, 3414528, 3467880, 3504384, 3556800, 3650400, 3693600, 3699072, 3793920, 3841344, 3853200, 3893760, 3901365, 3939840, 4001400, 4043520, 4106700, 4110080, 4161456, 4268160, 4326400, 4334850, 4377600, 4380480, 4492800, 4623840, 4672512, 4727808, 4742400, 4801680, 4867200, 4924800, 4932096, 5054400, 5121792, 5137600, 5201820, 5256576, 5335200, 5391360, 5475600, 5548608, 5690880, 5779800, 5840640, 5909760, 6002100, 6165120, 6220800, 6242184, 6323200, 6402240, 6489600, 6502275, 6566400, 6570720, 6739200, 6829056, 6935760, 7008768, 7113600, 7300800, 7387200, 7398144, 7682688, 7706400, 7787520, 7802730, 7879680, 8002800, 8087040, 8213400, 8220160, 8322912, 8536320, 8669700, 8760960, 8985600, 9247680, 9484800, 9603360, 9734400, 9849600, 9864192, 10108800, 10243584, 10275200, 10403640, 10513152, 10670400, 10951200, 11097216, 11381760, 11559600, 11681280, 11819520, 12004200, 12330240, 12484368, 12804480, 12979200, 13004550, 13132800, 13141440, 13478400, 13871520, 14017536, 14227200, 14601600, 14774400, 14796288, 15365376, 15412800, 15605460, 16005600, 16174080, 16426800, 16440320, 16645824, 17072640, 17339400, 17521920, 18495360, 18969600, 19206720, 19468800, 19506825, 19699200, 20217600, 20487168, 20550400, 20807280, 21026304, 21340800, 21902400, 22194432, 23119200, 23362560, 23639040, 24008400, 24660480, 24968736, 25608960, 26009100, 26282880, 26956800, 27743040, 28454400, 29203200, 29548800, 29592576, 30730752, 30825600, 31210920, 32011200, 32853600, 33291648, 34145280, 34678800, 35043840, 36990720, 38413440, 38937600, 39013650, 39398400, 40435200, 41100800, 41614560, 42052608, 42681600, 43804800, 44388864, 46238400, 48016800, 49320960, 49937472, 51217920, 52018200, 52565760, 55486080, 56908800, 58406400, 59097600, 61461504, 61651200, 62421840, 64022400, 65707200, 66583296, 69357600, 70087680, 73981440, 76826880, 78027300, 80870400, 82201600, 83229120, 85363200, 87609600, 88777728, 92476800, 96033600, 99874944, 102435840, 104036400, 105131520, 110972160, 116812800, 118195200, 123302400, 124843680, 128044800, 131414400, 133166592, 138715200, 147962880, 153653760, 156054600, 166458240, 170726400, 175219200, 184953600, 192067200, 199749888, 208072800, 210263040, 221944320, 246604800, 249687360, 256089600, 262828800, 266333184, 277430400, 307307520, 312109200, 332916480, 350438400, 369907200, 384134400, 399499776, 416145600, 443888640, 499374720, 512179200, 525657600, 554860800, 624218400, 665832960, 739814400, 768268800, 798999552, 832291200, 998749440, 1051315200, 1109721600, 1248436800, 1331665920, 1536537600, 1664582400, 1997498880, 2219443200, 2496873600, 3329164800, 3994997760, 4993747200, 6658329600, 9987494400, 19974988800]

約数ペア:

[(1, 19974988800), (2, 9987494400), (3, 6658329600), (4, 4993747200), (5, 3994997760), (6, 3329164800), (8, 2496873600), (9, 2219443200), (10, 1997498880), (12, 1664582400), (13, 1536537600), (15, 1331665920), (16, 1248436800), (18, 1109721600), (19, 1051315200), (20, 998749440), (24, 832291200), (25, 798999552), (26, 768268800), (27, 739814400), (30, 665832960), (32, 624218400), (36, 554860800), (38, 525657600), (39, 512179200), (40, 499374720), (45, 443888640), (48, 416145600), (50, 399499776), (52, 384134400), (54, 369907200), (57, 350438400), (60, 332916480), (64, 312109200), (65, 307307520), (72, 277430400), (75, 266333184), (76, 262828800), (78, 256089600), (80, 249687360), (81, 246604800), (90, 221944320), (95, 210263040), (96, 208072800), (100, 199749888), (104, 192067200), (108, 184953600), (114, 175219200), (117, 170726400), (120, 166458240), (128, 156054600), (130, 153653760), (135, 147962880), (144, 138715200), (150, 133166592), (152, 131414400), (156, 128044800), (160, 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