81219722240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{971}}^1$

素因数の和:1075

約数の個数: 264

約数和(自身を含む): 213381670896

約数和(自身を除く): 132161948656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 620, 640, 680, 961, 971, 992, 1024, 1054, 1088, 1240, 1280, 1360, 1922, 1942, 1984, 2108, 2176, 2480, 2560, 2635, 2720, 3844, 3884, 3968, 4216, 4352, 4805, 4855, 4960, 5120, 5270, 5440, 7688, 7768, 7936, 8432, 8704, 9610, 9710, 9920, 10540, 10880, 15376, 15536, 15872, 16337, 16507, 16864, 17408, 19220, 19420, 19840, 21080, 21760, 30101, 30752, 31072, 31744, 32674, 33014, 33728, 38440, 38840, 39680, 42160, 43520, 60202, 61504, 62144, 65348, 66028, 67456, 76880, 77680, 79360, 81685, 82535, 84320, 87040, 120404, 123008, 124288, 130696, 132056, 134912, 150505, 153760, 155360, 158720, 163370, 165070, 168640, 240808, 246016, 248576, 261392, 264112, 269824, 301010, 307520, 310720, 326740, 330140, 337280, 481616, 492032, 497152, 511717, 522784, 528224, 539648, 602020, 615040, 621440, 653480, 660280, 674560, 933131, 963232, 984064, 994304, 1023434, 1045568, 1056448, 1204040, 1230080, 1242880, 1306960, 1320560, 1349120, 1866262, 1926464, 2046868, 2091136, 2112896, 2408080, 2460160, 2485760, 2558585, 2613920, 2641120, 2698240, 3732524, 3852928, 4093736, 4182272, 4225792, 4665655, 4816160, 4920320, 4971520, 5117170, 5227840, 5282240, 7465048, 7705856, 8187472, 8364544, 8451584, 9331310, 9632320, 10234340, 10455680, 10564480, 14930096, 15411712, 15863227, 16374944, 16729088, 16903168, 18662620, 19264640, 20468680, 20911360, 21128960, 29860192, 30823424, 31726454, 32749888, 37325240, 38529280, 40937360, 41822720, 42257920, 59720384, 63452908, 65499776, 74650480, 77058560, 79316135, 81874720, 83645440, 84515840, 119440768, 126905816, 130999552, 149300960, 154117120, 158632270, 163749440, 238881536, 253811632, 261999104, 298601920, 317264540, 327498880, 477763072, 507623264, 523998208, 597203840, 634529080, 654997760, 955526144, 1015246528, 1194407680, 1269058160, 1309995520, 2030493056, 2388815360, 2538116320, 2619991040, 4060986112, 4777630720, 5076232640, 8121972224, 10152465280, 16243944448, 20304930560, 40609861120, 81219722240]

約数ペア:

[(1, 81219722240), (2, 40609861120), (4, 20304930560), (5, 16243944448), (8, 10152465280), (10, 8121972224), (16, 5076232640), (17, 4777630720), (20, 4060986112), (31, 2619991040), (32, 2538116320), (34, 2388815360), (40, 2030493056), (62, 1309995520), (64, 1269058160), (68, 1194407680), (80, 1015246528), (85, 955526144), (124, 654997760), (128, 634529080), (136, 597203840), (155, 523998208), (160, 507623264), (170, 477763072), (248, 327498880), (256, 317264540), (272, 298601920), (310, 261999104), (320, 253811632), (340, 238881536), (496, 163749440), (512, 158632270), (527, 154117120), (544, 149300960), (620, 130999552), (640, 126905816), (680, 119440768), (961, 84515840), (971, 83645440), (992, 81874720), (1024, 79316135), (1054, 77058560), (1088, 74650480), (1240, 65499776), (1280, 63452908), (1360, 59720384), (1922, 42257920), (1942, 41822720), (1984, 40937360), (2108, 38529280), (2176, 37325240), (2480, 32749888), (2560, 31726454), (2635, 30823424), (2720, 29860192), (3844, 21128960), (3884, 20911360), (3968, 20468680), (4216, 19264640), (4352, 18662620), (4805, 16903168), (4855, 16729088), (4960, 16374944), (5120, 15863227), (5270, 15411712), (5440, 14930096), (7688, 10564480), (7768, 10455680), (7936, 10234340), (8432, 9632320), (8704, 9331310), (9610, 8451584), (9710, 8364544), (9920, 8187472), (10540, 7705856), (10880, 7465048), (15376, 5282240), (15536, 5227840), (15872, 5117170), (16337, 4971520), (16507, 4920320), (16864, 4816160), (17408, 4665655), (19220, 4225792), (19420, 4182272), (19840, 4093736), (21080, 3852928), (21760, 3732524), (30101, 2698240), (30752, 2641120), (31072, 2613920), (31744, 2558585), (32674, 2485760), (33014, 2460160), (33728, 2408080), (38440, 2112896), (38840, 2091136), (39680, 2046868), (42160, 1926464), (43520, 1866262), (60202, 1349120), (61504, 1320560), (62144, 1306960), (65348, 1242880), (66028, 1230080), (67456, 1204040), (76880, 1056448), (77680, 1045568), (79360, 1023434), (81685, 994304), (82535, 984064), (84320, 963232), (87040, 933131), (120404, 674560), (123008, 660280), (124288, 653480), (130696, 621440), (132056, 615040), (134912, 602020), (150505, 539648), (153760, 528224), (155360, 522784), (158720, 511717), (163370, 497152), (165070, 492032), (168640, 481616), (240808, 337280), (246016, 330140), (248576, 326740), (261392, 310720), (264112, 307520), (269824, 301010)]