21959168491520

素因数分解:

$2^{20}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:655

約数の個数: 672

約数和(自身を含む): 61783075092480

約数和(自身を除く): 39823906600960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 128, 130, 152, 155, 160, 190, 208, 247, 248, 256, 260, 304, 310, 320, 380, 403, 416, 494, 496, 512, 520, 547, 589, 608, 620, 640, 760, 806, 832, 988, 992, 1024, 1040, 1094, 1178, 1216, 1235, 1240, 1280, 1520, 1612, 1664, 1976, 1984, 2015, 2048, 2080, 2188, 2356, 2432, 2470, 2480, 2560, 2735, 2945, 3040, 3224, 3328, 3952, 3968, 4030, 4096, 4160, 4376, 4712, 4864, 4940, 4960, 5120, 5470, 5890, 6080, 6448, 6656, 7111, 7657, 7904, 7936, 8060, 8192, 8320, 8752, 9424, 9728, 9880, 9920, 10240, 10393, 10940, 11780, 12160, 12896, 13312, 14222, 15314, 15808, 15872, 16120, 16384, 16640, 16957, 17504, 18848, 19456, 19760, 19840, 20480, 20786, 21880, 23560, 24320, 25792, 26624, 28444, 30628, 31616, 31744, 32240, 32768, 33280, 33914, 35008, 35555, 37696, 38285, 38912, 39520, 39680, 40960, 41572, 43760, 47120, 48640, 51584, 51965, 53248, 56888, 61256, 63232, 63488, 64480, 65536, 66560, 67828, 70016, 71110, 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1703936, 1763528, 1820416, 1960192, 2023424, 2031616, 2063360, 2129920, 2161744, 2170496, 2204410, 2240512, 2275520, 2412544, 2450240, 2490368, 2529280, 2539520, 2577464, 2621440, 2660608, 2702180, 2713120, 2800640, 3015680, 3112960, 3221830, 3301376, 3325760, 3407872, 3527056, 3640832, 3920384, 4046848, 4063232, 4126720, 4188379, 4259840, 4323488, 4340992, 4408820, 4481024, 4551040, 4825088, 4900480, 4980736, 5058560, 5079040, 5154928, 5242880, 5321216, 5404360, 5426240, 5601280, 6031360, 6225920, 6443660, 6602752, 6651520, 6815744, 7054112, 7281664, 7840768, 8093696, 8126464, 8253440, 8376758, 8519680, 8646976, 8681984, 8817640, 8962048, 9102080, 9650176, 9800960, 9961472, 10117120, 10158080, 10309856, 10642432, 10808720, 10852480, 11202560, 12062720, 12451840, 12887320, 13205504, 13303040, 13631488, 14108224, 14563328, 15681536, 16187392, 16252928, 16506880, 16753516, 17039360, 17293952, 17363968, 17635280, 17924096, 18204160, 19300352, 19601920, 19922944, 20234240, 20316160, 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268056256, 276703232, 277823488, 282164480, 286785536, 291266560, 308805632, 313630720, 323747840, 329915392, 335070320, 340557824, 345879040, 347279360, 358481920, 386007040, 412394240, 422576128, 425697280, 451463168, 466026496, 501809152, 528220160, 536112512, 553406464, 555646976, 564328960, 573571072, 582533120, 617611264, 627261440, 647495680, 659830784, 670140640, 681115648, 691758080, 694558720, 716963840, 772014080, 824788480, 851394560, 902926336, 932052992, 1003618304, 1056440320, 1072225024, 1106812928, 1111293952, 1128657920, 1165066240, 1254522880, 1294991360, 1319661568, 1340281280, 1362231296, 1383516160, 1389117440, 1433927680, 1544028160, 1649576960, 1702789120, 1805852672, 1864105984, 2007236608, 2112880640, 2144450048, 2213625856, 2222587904, 2257315840, 2330132480, 2509045760, 2639323136, 2680562560, 2724462592, 2767032320, 2778234880, 2867855360, 3088056320, 3299153920, 3405578240, 3611705344, 3728211968, 4014473216, 4288900096, 4427251712, 4445175808, 4514631680, 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約数ペア:

[(1, 21959168491520), (2, 10979584245760), (4, 5489792122880), (5, 4391833698304), (8, 2744896061440), (10, 2195916849152), (13, 1689166807040), (16, 1372448030720), (19, 1155745710080), (20, 1097958424576), (26, 844583403520), (31, 708360273920), (32, 686224015360), (38, 577872855040), (40, 548979212288), (52, 422291701760), (62, 354180136960), (64, 343112007680), (65, 337833361408), (76, 288936427520), (80, 274489606144), (95, 231149142016), (104, 211145850880), (124, 177090068480), (128, 171556003840), (130, 168916680704), (152, 144468213760), (155, 141672054784), (160, 137244803072), (190, 115574571008), (208, 105572925440), (247, 88903516160), (248, 88545034240), (256, 85778001920), (260, 84458340352), (304, 72234106880), (310, 70836027392), (320, 68622401536), (380, 57787285504), (403, 54489251840), (416, 52786462720), (494, 44451758080), (496, 44272517120), (512, 42889000960), (520, 42229170176), (547, 40144732160), (589, 37282119680), (608, 36117053440), (620, 35418013696), 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