20378211840

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4357}}^1$

素因数の和:4422

約数の個数: 480

約数和(自身を含む): 83458140480

約数和(自身を除く): 63079928640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 64, 70, 72, 80, 84, 87, 90, 96, 105, 112, 116, 120, 126, 128, 140, 144, 145, 160, 168, 174, 180, 192, 203, 210, 224, 232, 240, 252, 256, 261, 280, 288, 290, 315, 320, 336, 348, 360, 384, 406, 420, 435, 448, 464, 480, 504, 512, 522, 560, 576, 580, 609, 630, 640, 672, 696, 720, 768, 812, 840, 870, 896, 928, 960, 1008, 1015, 1044, 1120, 1152, 1160, 1218, 1260, 1280, 1305, 1344, 1392, 1440, 1536, 1624, 1680, 1740, 1792, 1827, 1856, 1920, 2016, 2030, 2088, 2240, 2304, 2320, 2436, 2520, 2560, 2610, 2688, 2784, 2880, 3045, 3248, 3360, 3480, 3584, 3654, 3712, 3840, 4032, 4060, 4176, 4357, 4480, 4608, 4640, 4872, 5040, 5220, 5376, 5568, 5760, 6090, 6496, 6720, 6960, 7308, 7424, 7680, 8064, 8120, 8352, 8714, 8960, 9135, 9280, 9744, 10080, 10440, 10752, 11136, 11520, 12180, 12992, 13071, 13440, 13920, 14616, 14848, 16128, 16240, 16704, 17428, 17920, 18270, 18560, 19488, 20160, 20880, 21785, 22272, 23040, 24360, 25984, 26142, 26880, 27840, 29232, 30499, 32256, 32480, 33408, 34856, 36540, 37120, 38976, 39213, 40320, 41760, 43570, 44544, 48720, 51968, 52284, 53760, 55680, 58464, 60998, 64960, 65355, 66816, 69712, 73080, 74240, 77952, 78426, 80640, 83520, 87140, 91497, 97440, 103936, 104568, 111360, 116928, 121996, 126353, 129920, 130710, 133632, 139424, 146160, 152495, 155904, 156852, 161280, 167040, 174280, 182994, 194880, 196065, 209136, 222720, 233856, 243992, 252706, 259840, 261420, 274491, 278848, 292320, 304990, 311808, 313704, 334080, 348560, 365988, 379059, 389760, 392130, 418272, 457485, 467712, 487984, 505412, 519680, 522840, 548982, 557696, 584640, 609980, 627408, 631765, 668160, 697120, 731976, 758118, 779520, 784260, 836544, 884471, 914970, 935424, 975968, 1010824, 1045680, 1097964, 1115392, 1137177, 1169280, 1219960, 1254816, 1263530, 1372455, 1394240, 1463952, 1516236, 1559040, 1568520, 1673088, 1768942, 1829940, 1895295, 1951936, 2021648, 2091360, 2195928, 2230784, 2274354, 2338560, 2439920, 2509632, 2527060, 2653413, 2744910, 2788480, 2927904, 3032472, 3137040, 3346176, 3537884, 3659880, 3790590, 3903872, 4043296, 4182720, 4391856, 4422355, 4548708, 4677120, 4879840, 5019264, 5054120, 5306826, 5489820, 5576960, 5685885, 5855808, 6064944, 6274080, 6692352, 7075768, 7319760, 7581180, 7807744, 7960239, 8086592, 8365440, 8783712, 8844710, 9097416, 9759680, 10038528, 10108240, 10613652, 10979640, 11153920, 11371770, 11711616, 12129888, 12548160, 13267065, 14151536, 14639520, 15162360, 15615488, 15920478, 16173184, 16730880, 17567424, 17689420, 18194832, 19519360, 20077056, 20216480, 21227304, 21959280, 22743540, 23423232, 24259776, 25096320, 26534130, 28303072, 29279040, 30324720, 31840956, 32346368, 33461760, 35134848, 35378840, 36389664, 39038720, 39801195, 40432960, 42454608, 43918560, 45487080, 46846464, 48519552, 50192640, 53068260, 56606144, 58558080, 60649440, 63681912, 64692736, 70269696, 70757680, 72779328, 78077440, 79602390, 80865920, 84909216, 87837120, 90974160, 97039104, 100385280, 106136520, 113212288, 117116160, 121298880, 127363824, 140539392, 141515360, 145558656, 159204780, 161731840, 169818432, 175674240, 181948320, 194078208, 212273040, 226424576, 234232320, 242597760, 254727648, 283030720, 291117312, 318409560, 323463680, 339636864, 351348480, 363896640, 424546080, 452849152, 485195520, 509455296, 566061440, 582234624, 636819120, 679273728, 702696960, 727793280, 849092160, 970391040, 1018910592, 1132122880, 1273638240, 1358547456, 1455586560, 1698184320, 2037821184, 2264245760, 2547276480, 2911173120, 3396368640, 4075642368, 5094552960, 6792737280, 10189105920, 20378211840]

約数ペア:

[(1, 20378211840), (2, 10189105920), (3, 6792737280), (4, 5094552960), (5, 4075642368), (6, 3396368640), (7, 2911173120), (8, 2547276480), (9, 2264245760), (10, 2037821184), (12, 1698184320), (14, 1455586560), (15, 1358547456), (16, 1273638240), (18, 1132122880), (20, 1018910592), (21, 970391040), (24, 849092160), (28, 727793280), (29, 702696960), (30, 679273728), (32, 636819120), (35, 582234624), (36, 566061440), (40, 509455296), (42, 485195520), (45, 452849152), (48, 424546080), (56, 363896640), (58, 351348480), (60, 339636864), (63, 323463680), (64, 318409560), (70, 291117312), (72, 283030720), (80, 254727648), (84, 242597760), (87, 234232320), (90, 226424576), (96, 212273040), (105, 194078208), (112, 181948320), (116, 175674240), (120, 169818432), (126, 161731840), (128, 159204780), (140, 145558656), (144, 141515360), (145, 140539392), (160, 127363824), (168, 121298880), (174, 117116160), (180, 113212288), (192, 106136520), (203, 100385280), (210, 97039104), (224, 90974160), (232, 87837120), (240, 84909216), (252, 80865920), (256, 79602390), (261, 78077440), (280, 72779328), (288, 70757680), (290, 70269696), (315, 64692736), (320, 63681912), (336, 60649440), (348, 58558080), (360, 56606144), (384, 53068260), (406, 50192640), (420, 48519552), (435, 46846464), (448, 45487080), (464, 43918560), (480, 42454608), (504, 40432960), (512, 39801195), (522, 39038720), (560, 36389664), (576, 35378840), (580, 35134848), (609, 33461760), (630, 32346368), (640, 31840956), (672, 30324720), (696, 29279040), (720, 28303072), (768, 26534130), (812, 25096320), (840, 24259776), (870, 23423232), (896, 22743540), (928, 21959280), (960, 21227304), (1008, 20216480), (1015, 20077056), (1044, 19519360), (1120, 18194832), (1152, 17689420), (1160, 17567424), (1218, 16730880), (1260, 16173184), (1280, 15920478), (1305, 15615488), (1344, 15162360), (1392, 14639520), (1440, 14151536), (1536, 13267065), (1624, 12548160), (1680, 12129888), (1740, 11711616), (1792, 11371770), (1827, 11153920), (1856, 10979640), (1920, 10613652), (2016, 10108240), (2030, 10038528), (2088, 9759680), (2240, 9097416), (2304, 8844710), (2320, 8783712), (2436, 8365440), (2520, 8086592), (2560, 7960239), (2610, 7807744), (2688, 7581180), (2784, 7319760), (2880, 7075768), (3045, 6692352), (3248, 6274080), (3360, 6064944), (3480, 5855808), (3584, 5685885), (3654, 5576960), (3712, 5489820), (3840, 5306826), (4032, 5054120), (4060, 5019264), (4176, 4879840), (4357, 4677120), (4480, 4548708), (4608, 4422355), (4640, 4391856), (4872, 4182720), (5040, 4043296), (5220, 3903872), (5376, 3790590), (5568, 3659880), (5760, 3537884), (6090, 3346176), (6496, 3137040), (6720, 3032472), (6960, 2927904), (7308, 2788480), (7424, 2744910), (7680, 2653413), (8064, 2527060), (8120, 2509632), (8352, 2439920), (8714, 2338560), (8960, 2274354), (9135, 2230784), (9280, 2195928), (9744, 2091360), (10080, 2021648), (10440, 1951936), (10752, 1895295), (11136, 1829940), (11520, 1768942), (12180, 1673088), (12992, 1568520), (13071, 1559040), (13440, 1516236), (13920, 1463952), (14616, 1394240), (14848, 1372455), (16128, 1263530), (16240, 1254816), (16704, 1219960), (17428, 1169280), (17920, 1137177), (18270, 1115392), (18560, 1097964), (19488, 1045680), (20160, 1010824), (20880, 975968), (21785, 935424), (22272, 914970), (23040, 884471), (24360, 836544), (25984, 784260), (26142, 779520), (26880, 758118), (27840, 731976), (29232, 697120), (30499, 668160), (32256, 631765), (32480, 627408), (33408, 609980), (34856, 584640), (36540, 557696), (37120, 548982), (38976, 522840), (39213, 519680), (40320, 505412), (41760, 487984), (43570, 467712), (44544, 457485), (48720, 418272), (51968, 392130), (52284, 389760), (53760, 379059), (55680, 365988), (58464, 348560), (60998, 334080), (64960, 313704), (65355, 311808), (66816, 304990), (69712, 292320), (73080, 278848), (74240, 274491), (77952, 261420), (78426, 259840), (80640, 252706), (83520, 243992), (87140, 233856), (91497, 222720), (97440, 209136), (103936, 196065), (104568, 194880), (111360, 182994), (116928, 174280), (121996, 167040), (126353, 161280), (129920, 156852), (130710, 155904), (133632, 152495), (139424, 146160)]