20219658240

素因数分解:

$2^{15}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1396

約数の個数: 256

約数和(自身を含む): 66839408640

約数和(自身を除く): 46619750400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1327, 1488, 1536, 1860, 1920, 1984, 2048, 2480, 2560, 2654, 2976, 3072, 3720, 3840, 3968, 3981, 4096, 4960, 5120, 5308, 5952, 6144, 6635, 7440, 7680, 7936, 7962, 8192, 9920, 10240, 10616, 11904, 12288, 13270, 14880, 15360, 15872, 15924, 16384, 19840, 19905, 20480, 21232, 23808, 24576, 26540, 29760, 30720, 31744, 31848, 32768, 39680, 39810, 40960, 41137, 42464, 47616, 49152, 53080, 59520, 61440, 63488, 63696, 79360, 79620, 81920, 82274, 84928, 95232, 98304, 106160, 119040, 122880, 123411, 126976, 127392, 158720, 159240, 163840, 164548, 169856, 190464, 205685, 212320, 238080, 245760, 246822, 253952, 254784, 317440, 318480, 329096, 339712, 380928, 411370, 424640, 476160, 491520, 493644, 507904, 509568, 617055, 634880, 636960, 658192, 679424, 761856, 822740, 849280, 952320, 987288, 1015808, 1019136, 1234110, 1269760, 1273920, 1316384, 1358848, 1523712, 1645480, 1698560, 1904640, 1974576, 2038272, 2468220, 2539520, 2547840, 2632768, 2717696, 3047424, 3290960, 3397120, 3809280, 3949152, 4076544, 4936440, 5079040, 5095680, 5265536, 5435392, 6581920, 6794240, 7618560, 7898304, 8153088, 9872880, 10191360, 10531072, 10870784, 13163840, 13588480, 15237120, 15796608, 16306176, 19745760, 20382720, 21062144, 21741568, 26327680, 27176960, 31593216, 32612352, 39491520, 40765440, 42124288, 43483136, 52655360, 54353920, 63186432, 65224704, 78983040, 81530880, 84248576, 105310720, 108707840, 126372864, 130449408, 157966080, 163061760, 168497152, 210621440, 217415680, 252745728, 315932160, 326123520, 336994304, 421242880, 505491456, 631864320, 652247040, 673988608, 842485760, 1010982912, 1263728640, 1347977216, 1684971520, 2021965824, 2527457280, 3369943040, 4043931648, 5054914560, 6739886080, 10109829120, 20219658240]

約数ペア:

[(1, 20219658240), (2, 10109829120), (3, 6739886080), (4, 5054914560), (5, 4043931648), (6, 3369943040), (8, 2527457280), (10, 2021965824), (12, 1684971520), (15, 1347977216), (16, 1263728640), (20, 1010982912), (24, 842485760), (30, 673988608), (31, 652247040), (32, 631864320), (40, 505491456), (48, 421242880), (60, 336994304), (62, 326123520), (64, 315932160), (80, 252745728), (93, 217415680), (96, 210621440), (120, 168497152), (124, 163061760), (128, 157966080), (155, 130449408), (160, 126372864), (186, 108707840), (192, 105310720), (240, 84248576), (248, 81530880), (256, 78983040), (310, 65224704), (320, 63186432), (372, 54353920), (384, 52655360), (465, 43483136), (480, 42124288), (496, 40765440), (512, 39491520), (620, 32612352), (640, 31593216), (744, 27176960), (768, 26327680), (930, 21741568), (960, 21062144), (992, 20382720), (1024, 19745760), (1240, 16306176), (1280, 15796608), (1327, 15237120), (1488, 13588480), (1536, 13163840), (1860, 10870784), (1920, 10531072), (1984, 10191360), (2048, 9872880), (2480, 8153088), (2560, 7898304), (2654, 7618560), (2976, 6794240), (3072, 6581920), (3720, 5435392), (3840, 5265536), (3968, 5095680), (3981, 5079040), (4096, 4936440), (4960, 4076544), (5120, 3949152), (5308, 3809280), (5952, 3397120), (6144, 3290960), (6635, 3047424), (7440, 2717696), (7680, 2632768), (7936, 2547840), (7962, 2539520), (8192, 2468220), (9920, 2038272), (10240, 1974576), (10616, 1904640), (11904, 1698560), (12288, 1645480), (13270, 1523712), (14880, 1358848), (15360, 1316384), (15872, 1273920), (15924, 1269760), (16384, 1234110), (19840, 1019136), (19905, 1015808), (20480, 987288), (21232, 952320), (23808, 849280), (24576, 822740), (26540, 761856), (29760, 679424), (30720, 658192), (31744, 636960), (31848, 634880), (32768, 617055), (39680, 509568), (39810, 507904), (40960, 493644), (41137, 491520), (42464, 476160), (47616, 424640), (49152, 411370), (53080, 380928), (59520, 339712), (61440, 329096), (63488, 318480), (63696, 317440), (79360, 254784), (79620, 253952), (81920, 246822), (82274, 245760), (84928, 238080), (95232, 212320), (98304, 205685), (106160, 190464), (119040, 169856), (122880, 164548), (123411, 163840), (126976, 159240), (127392, 158720)]