18687611520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1999}}^1$

素因数の和:2568

約数の個数: 256

約数和(自身を含む): 66340800000

約数和(自身を除く): 47653188480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 541, 576, 640, 720, 864, 960, 1080, 1082, 1152, 1440, 1623, 1728, 1920, 1999, 2160, 2164, 2705, 2880, 3246, 3456, 3998, 4320, 4328, 4869, 5410, 5760, 5997, 6492, 7996, 8115, 8640, 8656, 9738, 9995, 10820, 11994, 12984, 14607, 15992, 16230, 17280, 17312, 17991, 19476, 19990, 21640, 23988, 24345, 25968, 29214, 29985, 31984, 32460, 34624, 35982, 38952, 39980, 43280, 47976, 48690, 51936, 53973, 58428, 59970, 63968, 64920, 69248, 71964, 73035, 77904, 79960, 86560, 89955, 95952, 97380, 103872, 107946, 116856, 119940, 127936, 129840, 143928, 146070, 155808, 159920, 173120, 179910, 191904, 194760, 207744, 215892, 233712, 239880, 255872, 259680, 269865, 287856, 292140, 311616, 319840, 346240, 359820, 383808, 389520, 431784, 467424, 479760, 519360, 539730, 575712, 584280, 623232, 639680, 719640, 767616, 779040, 863568, 934848, 959520, 1038720, 1079460, 1081459, 1151424, 1168560, 1279360, 1439280, 1558080, 1727136, 1869696, 1919040, 2158920, 2162918, 2302848, 2337120, 2878560, 3116160, 3244377, 3454272, 3838080, 4317840, 4325836, 4674240, 5407295, 5757120, 6488754, 6908544, 8635680, 8651672, 9348480, 9733131, 10814590, 11514240, 12977508, 16221885, 17271360, 17303344, 19466262, 21629180, 25955016, 29199393, 32443770, 34542720, 34606688, 38932524, 43258360, 48665655, 51910032, 58398786, 64887540, 69213376, 77865048, 86516720, 97331310, 103820064, 116797572, 129775080, 138426752, 145996965, 155730096, 173033440, 194662620, 207640128, 233595144, 259550160, 291993930, 311460192, 346066880, 389325240, 415280256, 467190288, 519100320, 583987860, 622920384, 692133760, 778650480, 934380576, 1038200640, 1167975720, 1245840768, 1557300960, 1868761152, 2076401280, 2335951440, 3114601920, 3737522304, 4671902880, 6229203840, 9343805760, 18687611520]

約数ペア:

[(1, 18687611520), (2, 9343805760), (3, 6229203840), (4, 4671902880), (5, 3737522304), (6, 3114601920), (8, 2335951440), (9, 2076401280), (10, 1868761152), (12, 1557300960), (15, 1245840768), (16, 1167975720), (18, 1038200640), (20, 934380576), (24, 778650480), (27, 692133760), (30, 622920384), (32, 583987860), (36, 519100320), (40, 467190288), (45, 415280256), (48, 389325240), (54, 346066880), (60, 311460192), (64, 291993930), (72, 259550160), (80, 233595144), (90, 207640128), (96, 194662620), (108, 173033440), (120, 155730096), (128, 145996965), (135, 138426752), (144, 129775080), (160, 116797572), (180, 103820064), (192, 97331310), (216, 86516720), (240, 77865048), (270, 69213376), (288, 64887540), (320, 58398786), (360, 51910032), (384, 48665655), (432, 43258360), (480, 38932524), (540, 34606688), (541, 34542720), (576, 32443770), (640, 29199393), (720, 25955016), (864, 21629180), (960, 19466262), (1080, 17303344), (1082, 17271360), (1152, 16221885), (1440, 12977508), (1623, 11514240), (1728, 10814590), (1920, 9733131), (1999, 9348480), (2160, 8651672), (2164, 8635680), (2705, 6908544), (2880, 6488754), (3246, 5757120), (3456, 5407295), (3998, 4674240), (4320, 4325836), (4328, 4317840), (4869, 3838080), (5410, 3454272), (5760, 3244377), (5997, 3116160), (6492, 2878560), (7996, 2337120), (8115, 2302848), (8640, 2162918), (8656, 2158920), (9738, 1919040), (9995, 1869696), (10820, 1727136), (11994, 1558080), (12984, 1439280), (14607, 1279360), (15992, 1168560), (16230, 1151424), (17280, 1081459), (17312, 1079460), (17991, 1038720), (19476, 959520), (19990, 934848), (21640, 863568), (23988, 779040), (24345, 767616), (25968, 719640), (29214, 639680), (29985, 623232), (31984, 584280), (32460, 575712), (34624, 539730), (35982, 519360), (38952, 479760), (39980, 467424), (43280, 431784), (47976, 389520), (48690, 383808), (51936, 359820), (53973, 346240), (58428, 319840), (59970, 311616), (63968, 292140), (64920, 287856), (69248, 269865), (71964, 259680), (73035, 255872), (77904, 239880), (79960, 233712), (86560, 215892), (89955, 207744), (95952, 194760), (97380, 191904), (103872, 179910), (107946, 173120), (116856, 159920), (119940, 155808), (127936, 146070), (129840, 143928)]