21915878400

素因数分解:

$2^{10}\times 3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 792

約数和(自身を含む): 87958509184

約数和(自身を除く): 66042630784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 48, 50, 52, 54, 60, 64, 65, 72, 75, 78, 80, 81, 90, 96, 100, 104, 108, 117, 120, 128, 130, 135, 144, 150, 156, 160, 162, 180, 192, 195, 200, 208, 216, 225, 234, 240, 243, 256, 260, 270, 271, 288, 300, 312, 320, 324, 325, 351, 360, 384, 390, 400, 405, 416, 432, 450, 468, 480, 486, 512, 520, 540, 542, 576, 585, 600, 624, 640, 648, 650, 675, 702, 720, 768, 780, 800, 810, 813, 832, 864, 900, 936, 960, 972, 975, 1024, 1040, 1053, 1080, 1084, 1152, 1170, 1200, 1215, 1248, 1280, 1296, 1300, 1350, 1355, 1404, 1440, 1536, 1560, 1600, 1620, 1626, 1664, 1728, 1755, 1800, 1872, 1920, 1944, 1950, 2025, 2080, 2106, 2160, 2168, 2304, 2340, 2400, 2430, 2439, 2496, 2560, 2592, 2600, 2700, 2710, 2808, 2880, 2925, 3072, 3120, 3159, 3200, 3240, 3252, 3328, 3456, 3510, 3523, 3600, 3744, 3840, 3888, 3900, 4050, 4065, 4160, 4212, 4320, 4336, 4608, 4680, 4800, 4860, 4878, 4992, 5120, 5184, 5200, 5265, 5400, 5420, 5616, 5760, 5850, 6075, 6240, 6318, 6400, 6480, 6504, 6656, 6775, 6912, 7020, 7046, 7200, 7317, 7488, 7680, 7776, 7800, 8100, 8130, 8320, 8424, 8640, 8672, 8775, 9216, 9360, 9600, 9720, 9756, 9984, 10368, 10400, 10530, 10569, 10800, 10840, 11232, 11520, 11700, 12150, 12195, 12480, 12636, 12800, 12960, 13008, 13312, 13550, 13824, 14040, 14092, 14400, 14634, 14976, 15360, 15552, 15600, 15795, 16200, 16260, 16640, 16848, 17280, 17344, 17550, 17615, 18720, 19200, 19440, 19512, 19968, 20325, 20736, 20800, 21060, 21138, 21600, 21680, 21951, 22464, 23040, 23400, 24300, 24390, 24960, 25272, 25600, 25920, 26016, 26325, 27100, 27648, 28080, 28184, 28800, 29268, 29952, 31104, 31200, 31590, 31707, 32400, 32520, 33280, 33696, 34560, 34688, 35100, 35230, 36585, 37440, 38400, 38880, 39024, 39936, 40650, 41472, 41600, 42120, 42276, 43200, 43360, 43902, 44928, 46080, 46800, 48600, 48780, 49920, 50544, 51840, 52032, 52650, 52845, 54200, 56160, 56368, 57600, 58536, 59904, 60975, 62208, 62400, 63180, 63414, 64800, 65040, 65853, 66560, 67392, 69120, 69376, 70200, 70460, 73170, 74880, 76800, 77760, 78048, 78975, 81300, 82944, 83200, 84240, 84552, 86400, 86720, 87804, 88075, 89856, 93600, 95121, 97200, 97560, 99840, 101088, 103680, 104064, 105300, 105690, 108400, 109755, 112320, 112736, 115200, 117072, 119808, 121950, 124416, 124800, 126360, 126828, 129600, 130080, 131706, 134784, 138240, 138752, 140400, 140920, 146340, 149760, 155520, 156096, 157950, 158535, 162600, 166400, 168480, 169104, 172800, 173440, 175608, 176150, 179712, 182925, 187200, 190242, 194400, 195120, 199680, 202176, 207360, 208128, 210600, 211380, 216800, 219510, 224640, 225472, 230400, 234144, 243900, 248832, 249600, 252720, 253656, 259200, 260160, 263412, 264225, 269568, 277504, 280800, 281840, 285363, 292680, 299520, 311040, 312192, 315900, 317070, 325200, 329265, 332800, 336960, 338208, 345600, 346880, 351216, 352300, 359424, 365850, 374400, 380484, 388800, 390240, 404352, 414720, 416256, 421200, 422760, 433600, 439020, 449280, 450944, 468288, 475605, 487800, 499200, 505440, 507312, 518400, 520320, 526824, 528450, 539136, 548775, 561600, 563680, 570726, 585360, 599040, 622080, 624384, 631800, 634140, 650400, 658530, 673920, 676416, 691200, 693760, 702432, 704600, 731700, 748800, 760968, 777600, 780480, 792675, 808704, 832512, 842400, 845520, 856089, 867200, 878040, 898560, 901888, 936576, 951210, 975600, 998400, 1010880, 1014624, 1036800, 1040640, 1053648, 1056900, 1078272, 1097550, 1123200, 1127360, 1141452, 1170720, 1244160, 1248768, 1263600, 1268280, 1300800, 1317060, 1347840, 1352832, 1387520, 1404864, 1409200, 1426815, 1463400, 1497600, 1521936, 1555200, 1560960, 1585350, 1617408, 1646325, 1684800, 1691040, 1712178, 1734400, 1756080, 1797120, 1803776, 1873152, 1902420, 1951200, 2021760, 2029248, 2073600, 2081280, 2107296, 2113800, 2195100, 2246400, 2254720, 2282904, 2341440, 2378025, 2497536, 2527200, 2536560, 2601600, 2634120, 2695680, 2705664, 2809728, 2818400, 2853630, 2926800, 2995200, 3043872, 3110400, 3121920, 3170700, 3234816, 3292650, 3369600, 3382080, 3424356, 3468800, 3512160, 3607552, 3746304, 3804840, 3902400, 4043520, 4058496, 4162560, 4214592, 4227600, 4280445, 4390200, 4492800, 4509440, 4565808, 4682880, 4756050, 5054400, 5073120, 5203200, 5268240, 5391360, 5411328, 5619456, 5636800, 5707260, 5853600, 6087744, 6220800, 6243840, 6341400, 6585300, 6739200, 6764160, 6848712, 6937600, 7024320, 7134075, 7492608, 7609680, 7804800, 8087040, 8116992, 8429184, 8455200, 8560890, 8780400, 8985600, 9018880, 9131616, 9365760, 9512100, 10108800, 10146240, 10406400, 10536480, 10822656, 11238912, 11273600, 11414520, 11707200, 12175488, 12487680, 12682800, 13170600, 13478400, 13528320, 13697424, 14048640, 14268150, 15219360, 15609600, 16174080, 16233984, 16858368, 16910400, 17121780, 17560800, 18037760, 18263232, 18731520, 19024200, 20217600, 20292480, 20812800, 21072960, 21402225, 22477824, 22547200, 22829040, 23414400, 24350976, 25365600, 26341200, 26956800, 27056640, 27394848, 28097280, 28536300, 30438720, 31219200, 32467968, 33716736, 33820800, 34243560, 35121600, 36526464, 37463040, 38048400, 40435200, 40584960, 42145920, 42804450, 45094400, 45658080, 46828800, 48701952, 50731200, 52682400, 54113280, 54789696, 56194560, 57072600, 60877440, 62438400, 67433472, 67641600, 68487120, 70243200, 73052928, 76096800, 80870400, 81169920, 84291840, 85608900, 90188800, 91316160, 93657600, 97403904, 101462400, 105364800, 109579392, 112389120, 114145200, 121754880, 135283200, 136974240, 140486400, 146105856, 152193600, 162339840, 168583680, 171217800, 182632320, 187315200, 202924800, 210729600, 219158784, 228290400, 243509760, 270566400, 273948480, 280972800, 292211712, 304387200, 337167360, 342435600, 365264640, 405849600, 421459200, 438317568, 456580800, 487019520, 547896960, 561945600, 608774400, 684871200, 730529280, 811699200, 842918400, 876635136, 913161600, 1095793920, 1217548800, 1369742400, 1461058560, 1685836800, 1826323200, 2191587840, 2435097600, 2739484800, 3652646400, 4383175680, 5478969600, 7305292800, 10957939200, 21915878400]

約数ペア:

[(1, 21915878400), (2, 10957939200), (3, 7305292800), (4, 5478969600), (5, 4383175680), (6, 3652646400), (8, 2739484800), (9, 2435097600), (10, 2191587840), (12, 1826323200), (13, 1685836800), (15, 1461058560), (16, 1369742400), (18, 1217548800), (20, 1095793920), (24, 913161600), (25, 876635136), (26, 842918400), (27, 811699200), (30, 730529280), (32, 684871200), (36, 608774400), (39, 561945600), (40, 547896960), (45, 487019520), (48, 456580800), (50, 438317568), (52, 421459200), (54, 405849600), (60, 365264640), (64, 342435600), (65, 337167360), (72, 304387200), (75, 292211712), (78, 280972800), (80, 273948480), (81, 270566400), (90, 243509760), (96, 228290400), (100, 219158784), (104, 210729600), (108, 202924800), (117, 187315200), (120, 182632320), (128, 171217800), (130, 168583680), (135, 162339840), (144, 152193600), (150, 146105856), (156, 140486400), (160, 136974240), (162, 135283200), (180, 121754880), (192, 114145200), (195, 112389120), (200, 109579392), (208, 105364800), (216, 101462400), (225, 97403904), (234, 93657600), (240, 91316160), (243, 90188800), (256, 85608900), (260, 84291840), (270, 81169920), (271, 80870400), (288, 76096800), (300, 73052928), (312, 70243200), (320, 68487120), (324, 67641600), (325, 67433472), (351, 62438400), (360, 60877440), (384, 57072600), (390, 56194560), (400, 54789696), (405, 54113280), (416, 52682400), (432, 50731200), (450, 48701952), (468, 46828800), (480, 45658080), (486, 45094400), (512, 42804450), (520, 42145920), (540, 40584960), (542, 40435200), (576, 38048400), (585, 37463040), (600, 36526464), (624, 35121600), (640, 34243560), (648, 33820800), (650, 33716736), (675, 32467968), (702, 31219200), (720, 30438720), (768, 28536300), (780, 28097280), (800, 27394848), (810, 27056640), (813, 26956800), (832, 26341200), (864, 25365600), (900, 24350976), (936, 23414400), (960, 22829040), (972, 22547200), (975, 22477824), (1024, 21402225), (1040, 21072960), (1053, 20812800), (1080, 20292480), (1084, 20217600), (1152, 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