20989849680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:948

約数の個数: 640

約数和(自身を含む): 82730419200

約数和(自身を除く): 61740569520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 27, 29, 30, 34, 36, 40, 45, 46, 48, 51, 54, 58, 60, 68, 69, 72, 80, 85, 87, 90, 92, 102, 108, 115, 116, 120, 135, 136, 138, 144, 145, 153, 170, 174, 180, 184, 204, 207, 216, 230, 232, 240, 255, 261, 270, 272, 276, 290, 306, 340, 345, 348, 360, 368, 391, 408, 414, 432, 435, 459, 460, 464, 493, 510, 522, 540, 552, 580, 612, 621, 667, 680, 690, 696, 720, 765, 782, 783, 816, 828, 857, 870, 918, 920, 986, 1020, 1035, 1044, 1080, 1104, 1160, 1173, 1224, 1242, 1305, 1334, 1360, 1380, 1392, 1479, 1530, 1564, 1566, 1656, 1714, 1740, 1836, 1840, 1955, 1972, 2001, 2040, 2070, 2088, 2160, 2295, 2320, 2346, 2448, 2465, 2484, 2571, 2610, 2668, 2760, 2958, 3060, 3105, 3128, 3132, 3312, 3335, 3428, 3480, 3519, 3672, 3910, 3915, 3944, 4002, 4080, 4140, 4176, 4285, 4437, 4590, 4692, 4930, 4968, 5142, 5220, 5336, 5520, 5865, 5916, 6003, 6120, 6210, 6256, 6264, 6670, 6856, 6960, 7038, 7344, 7395, 7713, 7820, 7830, 7888, 8004, 8280, 8570, 8874, 9180, 9384, 9860, 9936, 10005, 10284, 10440, 10557, 10672, 11339, 11730, 11832, 12006, 12240, 12420, 12528, 12855, 13311, 13340, 13712, 14076, 14569, 14790, 15426, 15640, 15660, 16008, 16560, 17140, 17595, 17748, 18009, 18360, 18768, 19711, 19720, 20010, 20568, 20880, 21114, 22185, 22678, 23139, 23460, 23664, 24012, 24840, 24853, 25710, 26622, 26680, 28152, 29138, 29580, 30015, 30852, 31280, 31320, 32016, 34017, 34280, 35190, 35496, 36018, 36720, 38565, 39422, 39440, 40020, 41136, 42228, 43707, 44370, 45356, 46278, 46920, 48024, 49680, 49706, 51420, 52785, 53244, 53360, 56304, 56695, 58276, 59133, 59160, 60030, 61704, 62640, 66555, 68034, 68560, 70380, 70992, 72036, 72845, 74559, 77130, 78844, 80040, 84456, 87414, 88740, 90045, 90712, 92556, 93840, 96048, 98555, 99412, 102051, 102840, 105570, 106488, 113390, 115695, 116552, 118266, 118320, 120060, 123408, 124265, 131121, 133110, 136068, 140760, 144072, 145690, 149118, 154260, 157688, 160080, 168912, 170085, 174828, 177399, 177480, 180090, 181424, 185112, 197110, 198824, 204102, 205680, 211140, 212976, 218535, 223677, 226780, 231390, 233104, 236532, 240120, 248530, 262242, 266220, 272136, 281520, 288144, 291380, 295665, 298236, 306153, 308520, 315376, 335087, 340170, 349656, 354798, 354960, 360180, 370224, 372795, 393363, 394220, 397648, 408204, 422280, 422501, 437070, 447354, 453560, 462780, 473064, 480240, 497060, 510255, 524484, 532197, 532440, 544272, 571619, 582760, 591330, 596472, 612306, 617040, 655605, 670174, 671031, 680340, 699312, 709596, 720360, 745590, 786726, 788440, 816408, 844560, 845002, 874140, 886995, 894708, 907120, 925560, 946128, 994120, 1005261, 1020510, 1048968, 1064394, 1064880, 1118385, 1143238, 1165520, 1182660, 1192944, 1224612, 1267503, 1311210, 1340348, 1342062, 1360680, 1419192, 1440720, 1491180, 1530765, 1573452, 1576880, 1632816, 1675435, 1690004, 1714857, 1748280, 1773990, 1789416, 1851120, 1966815, 1988240, 2010522, 2041020, 2097936, 2112505, 2128788, 2236770, 2286476, 2365320, 2449224, 2535006, 2622420, 2660985, 2680696, 2684124, 2721360, 2838384, 2858095, 2982360, 3015783, 3061530, 3146904, 3350870, 3355155, 3380008, 3429714, 3496560, 3547980, 3578832, 3802509, 3933630, 4021044, 4082040, 4225010, 4257576, 4473540, 4572952, 4730640, 4898448, 5026305, 5070012, 5144571, 5244840, 5321970, 5361392, 5368248, 5716190, 5964720, 6031566, 6123060, 6293808, 6337515, 6701740, 6710310, 6760016, 6859428, 7095960, 7605018, 7867260, 8042088, 8164080, 8450020, 8515152, 8574285, 8947080, 9047349, 9145904, 9717523, 10052610, 10140024, 10289142, 10489680, 10643940, 10736496, 11407527, 11432380, 12063132, 12246120, 12675030, 13403480, 13420620, 13718856, 14191920, 15078915, 15210036, 15433713, 15734520, 16084176, 16900040, 17148570, 17894160, 18094698, 19012545, 19435046, 20105220, 20280048, 20578284, 21287880, 22815054, 22864760, 24126264, 24492240, 25350060, 25722855, 26806960, 26841240, 27437712, 29152569, 30157830, 30420072, 30867426, 31469040, 33800080, 34297140, 36189396, 38025090, 38870092, 40210440, 41156568, 42575760, 45236745, 45630108, 45729520, 48252528, 48587615, 50700120, 51445710, 53682480, 57037635, 58305138, 60315660, 60840144, 61734852, 68594280, 72378792, 76050180, 77168565, 77740184, 80420880, 82313136, 87457707, 90473490, 91260216, 97175230, 101400240, 102891420, 114075270, 116610276, 120631320, 123469704, 137188560, 144757584, 145762845, 152100360, 154337130, 155480368, 174915414, 180946980, 182520432, 194350460, 205782840, 228150540, 233220552, 241262640, 246939408, 262373121, 291525690, 304200720, 308674260, 349830828, 361893960, 388700920, 411565680, 437288535, 456301080, 466441104, 524746242, 583051380, 617348520, 699661656, 723787920, 777401840, 874577070, 912602160, 1049492484, 1166102760, 1234697040, 1311865605, 1399323312, 1749154140, 2098984968, 2332205520, 2623731210, 3498308280, 4197969936, 5247462420, 6996616560, 10494924840, 20989849680]

約数ペア:

[(1, 20989849680), (2, 10494924840), (3, 6996616560), (4, 5247462420), (5, 4197969936), (6, 3498308280), (8, 2623731210), (9, 2332205520), (10, 2098984968), (12, 1749154140), (15, 1399323312), (16, 1311865605), (17, 1234697040), (18, 1166102760), (20, 1049492484), (23, 912602160), (24, 874577070), (27, 777401840), (29, 723787920), (30, 699661656), (34, 617348520), (36, 583051380), (40, 524746242), (45, 466441104), (46, 456301080), (48, 437288535), (51, 411565680), (54, 388700920), (58, 361893960), (60, 349830828), (68, 308674260), (69, 304200720), (72, 291525690), (80, 262373121), (85, 246939408), (87, 241262640), (90, 233220552), (92, 228150540), (102, 205782840), (108, 194350460), (115, 182520432), (116, 180946980), (120, 174915414), (135, 155480368), (136, 154337130), (138, 152100360), (144, 145762845), (145, 144757584), (153, 137188560), (170, 123469704), (174, 120631320), (180, 116610276), (184, 114075270), (204, 102891420), (207, 101400240), (216, 97175230), (230, 91260216), (232, 90473490), (240, 87457707), (255, 82313136), (261, 80420880), (270, 77740184), (272, 77168565), (276, 76050180), (290, 72378792), (306, 68594280), (340, 61734852), (345, 60840144), (348, 60315660), (360, 58305138), (368, 57037635), (391, 53682480), (408, 51445710), (414, 50700120), (432, 48587615), (435, 48252528), (459, 45729520), (460, 45630108), (464, 45236745), (493, 42575760), (510, 41156568), (522, 40210440), (540, 38870092), (552, 38025090), (580, 36189396), (612, 34297140), (621, 33800080), (667, 31469040), (680, 30867426), (690, 30420072), (696, 30157830), (720, 29152569), (765, 27437712), (782, 26841240), (783, 26806960), (816, 25722855), (828, 25350060), (857, 24492240), (870, 24126264), (918, 22864760), (920, 22815054), (986, 21287880), (1020, 20578284), (1035, 20280048), (1044, 20105220), (1080, 19435046), (1104, 19012545), (1160, 18094698), (1173, 17894160), (1224, 17148570), (1242, 16900040), (1305, 16084176), (1334, 15734520), (1360, 15433713), (1380, 15210036), (1392, 15078915), (1479, 14191920), (1530, 13718856), (1564, 13420620), (1566, 13403480), (1656, 12675030), (1714, 12246120), (1740, 12063132), (1836, 11432380), (1840, 11407527), (1955, 10736496), (1972, 10643940), (2001, 10489680), (2040, 10289142), (2070, 10140024), (2088, 10052610), (2160, 9717523), (2295, 9145904), (2320, 9047349), (2346, 8947080), (2448, 8574285), (2465, 8515152), (2484, 8450020), (2571, 8164080), (2610, 8042088), (2668, 7867260), (2760, 7605018), (2958, 7095960), (3060, 6859428), (3105, 6760016), (3128, 6710310), (3132, 6701740), (3312, 6337515), (3335, 6293808), (3428, 6123060), (3480, 6031566), (3519, 5964720), (3672, 5716190), (3910, 5368248), (3915, 5361392), (3944, 5321970), (4002, 5244840), (4080, 5144571), (4140, 5070012), (4176, 5026305), (4285, 4898448), (4437, 4730640), (4590, 4572952), (4692, 4473540), (4930, 4257576), (4968, 4225010), (5142, 4082040), (5220, 4021044), (5336, 3933630), (5520, 3802509), (5865, 3578832), (5916, 3547980), (6003, 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