1640731680

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 576

約数和(自身を含む): 6991246080

約数和(自身を除く): 5350514400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 49, 54, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 98, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 147, 160, 161, 168, 180, 184, 189, 196, 207, 210, 216, 224, 230, 240, 245, 252, 270, 276, 280, 288, 294, 315, 322, 336, 337, 345, 360, 368, 378, 392, 414, 420, 432, 441, 460, 480, 483, 490, 504, 540, 552, 560, 588, 621, 630, 644, 672, 674, 690, 720, 735, 736, 756, 784, 805, 828, 840, 864, 882, 920, 945, 966, 980, 1008, 1011, 1035, 1080, 1104, 1120, 1127, 1176, 1242, 1260, 1288, 1323, 1348, 1380, 1440, 1449, 1470, 1512, 1568, 1610, 1656, 1680, 1685, 1764, 1840, 1890, 1932, 1960, 2016, 2022, 2070, 2160, 2205, 2208, 2254, 2352, 2359, 2415, 2484, 2520, 2576, 2646, 2696, 2760, 2898, 2940, 3024, 3033, 3105, 3220, 3312, 3360, 3370, 3381, 3528, 3680, 3780, 3864, 3920, 4044, 4140, 4320, 4347, 4410, 4508, 4704, 4718, 4830, 4968, 5040, 5055, 5152, 5292, 5392, 5520, 5635, 5796, 5880, 6048, 6066, 6210, 6440, 6615, 6624, 6740, 6762, 7056, 7077, 7245, 7560, 7728, 7751, 7840, 8088, 8280, 8694, 8820, 9016, 9099, 9436, 9660, 9936, 10080, 10110, 10143, 10584, 10784, 11040, 11270, 11592, 11760, 11795, 12132, 12420, 12880, 13230, 13480, 13524, 14112, 14154, 14490, 15120, 15165, 15456, 15502, 16176, 16513, 16560, 16905, 17388, 17640, 18032, 18198, 18872, 19320, 19872, 20220, 20286, 21168, 21231, 21735, 22540, 23184, 23253, 23520, 23590, 24264, 24840, 25760, 26460, 26960, 27048, 28308, 28980, 30240, 30330, 30429, 31004, 32352, 33026, 33120, 33810, 34776, 35280, 35385, 36064, 36396, 37744, 38640, 38755, 40440, 40572, 42336, 42462, 43470, 45080, 45495, 46368, 46506, 47180, 48528, 49539, 49680, 50715, 52920, 53920, 54096, 54257, 56616, 57960, 60660, 60858, 62008, 63693, 66052, 67620, 69552, 69759, 70560, 70770, 72792, 75488, 77280, 77510, 80880, 81144, 82565, 84924, 86940, 90160, 90990, 93012, 94360, 97056, 99078, 99360, 101430, 105840, 106155, 108192, 108514, 113232, 115920, 116265, 121320, 121716, 124016, 127386, 132104, 135240, 139104, 139518, 141540, 145584, 148617, 152145, 155020, 161760, 162288, 162771, 165130, 169848, 173880, 180320, 181980, 186024, 188720, 198156, 202860, 209277, 211680, 212310, 217028, 226464, 231840, 232530, 242640, 243432, 247695, 248032, 254772, 264208, 270480, 271285, 279036, 283080, 291168, 297234, 304290, 310040, 318465, 324576, 325542, 330260, 339696, 347760, 348795, 363960, 372048, 377440, 379799, 396312, 405720, 418554, 424620, 434056, 445851, 465060, 485280, 486864, 488313, 495390, 509544, 528416, 540960, 542570, 558072, 566160, 594468, 608580, 620080, 636930, 651084, 660520, 679392, 695520, 697590, 727920, 743085, 744096, 759598, 792624, 811440, 813855, 837108, 849240, 868112, 891702, 930120, 973728, 976626, 990780, 1019088, 1046385, 1085140, 1116144, 1132320, 1139397, 1188936, 1217160, 1240160, 1273860, 1302168, 1321040, 1395180, 1455840, 1464939, 1486170, 1519196, 1585248, 1622880, 1627710, 1674216, 1698480, 1736224, 1783404, 1860240, 1898995, 1953252, 1981560, 2038176, 2092770, 2170280, 2229255, 2232288, 2278794, 2377872, 2434320, 2441565, 2547720, 2604336, 2642080, 2790360, 2929878, 2972340, 3038392, 3255420, 3348432, 3396960, 3418191, 3566808, 3720480, 3797990, 3906504, 3963120, 4185540, 4340560, 4458510, 4557588, 4755744, 4868640, 4883130, 5095440, 5208672, 5580720, 5696985, 5859756, 5944680, 6076784, 6510840, 6696864, 6836382, 7133616, 7324695, 7595980, 7813008, 7926240, 8371080, 8681120, 8917020, 9115176, 9766260, 10190880, 10254573, 11161440, 11393970, 11719512, 11889360, 12153568, 13021680, 13672764, 14267232, 14649390, 15191960, 15626016, 16742160, 17090955, 17834040, 18230352, 19532520, 20509146, 22787940, 23439024, 23778720, 26043360, 27345528, 29298780, 30383920, 33484320, 34181910, 35668080, 36460704, 39065040, 41018292, 45575880, 46878048, 51272865, 54691056, 58597560, 60767840, 68363820, 71336160, 78130080, 82036584, 91151760, 102545730, 109382112, 117195120, 136727640, 164073168, 182303520, 205091460, 234390240, 273455280, 328146336, 410182920, 546910560, 820365840, 1640731680]

約数ペア:

[(1, 1640731680), (2, 820365840), (3, 546910560), (4, 410182920), (5, 328146336), (6, 273455280), (7, 234390240), (8, 205091460), (9, 182303520), (10, 164073168), (12, 136727640), (14, 117195120), (15, 109382112), (16, 102545730), (18, 91151760), (20, 82036584), (21, 78130080), (23, 71336160), (24, 68363820), (27, 60767840), (28, 58597560), (30, 54691056), (32, 51272865), (35, 46878048), (36, 45575880), (40, 41018292), (42, 39065040), (45, 36460704), (46, 35668080), (48, 34181910), (49, 33484320), (54, 30383920), (56, 29298780), (60, 27345528), (63, 26043360), (69, 23778720), (70, 23439024), (72, 22787940), (80, 20509146), (84, 19532520), (90, 18230352), (92, 17834040), (96, 17090955), (98, 16742160), (105, 15626016), (108, 15191960), (112, 14649390), (115, 14267232), (120, 13672764), (126, 13021680), (135, 12153568), (138, 11889360), (140, 11719512), (144, 11393970), (147, 11161440), (160, 10254573), (161, 10190880), (168, 9766260), (180, 9115176), (184, 8917020), (189, 8681120), (196, 8371080), (207, 7926240), (210, 7813008), (216, 7595980), (224, 7324695), (230, 7133616), (240, 6836382), (245, 6696864), (252, 6510840), (270, 6076784), (276, 5944680), (280, 5859756), (288, 5696985), (294, 5580720), (315, 5208672), (322, 5095440), (336, 4883130), (337, 4868640), (345, 4755744), (360, 4557588), (368, 4458510), (378, 4340560), (392, 4185540), (414, 3963120), (420, 3906504), (432, 3797990), (441, 3720480), (460, 3566808), (480, 3418191), (483, 3396960), (490, 3348432), (504, 3255420), (540, 3038392), (552, 2972340), (560, 2929878), (588, 2790360), (621, 2642080), (630, 2604336), (644, 2547720), (672, 2441565), (674, 2434320), (690, 2377872), (720, 2278794), (735, 2232288), (736, 2229255), (756, 2170280), (784, 2092770), (805, 2038176), (828, 1981560), (840, 1953252), (864, 1898995), (882, 1860240), (920, 1783404), (945, 1736224), (966, 1698480), (980, 1674216), (1008, 1627710), (1011, 1622880), (1035, 1585248), (1080, 1519196), (1104, 1486170), (1120, 1464939), (1127, 1455840), (1176, 1395180), (1242, 1321040), (1260, 1302168), (1288, 1273860), (1323, 1240160), (1348, 1217160), (1380, 1188936), (1440, 1139397), (1449, 1132320), (1470, 1116144), (1512, 1085140), (1568, 1046385), (1610, 1019088), (1656, 990780), (1680, 976626), (1685, 973728), (1764, 930120), (1840, 891702), (1890, 868112), (1932, 849240), (1960, 837108), (2016, 813855), (2022, 811440), (2070, 792624), (2160, 759598), (2205, 744096), (2208, 743085), (2254, 727920), (2352, 697590), (2359, 695520), (2415, 679392), (2484, 660520), (2520, 651084), (2576, 636930), (2646, 620080), (2696, 608580), (2760, 594468), (2898, 566160), (2940, 558072), (3024, 542570), (3033, 540960), (3105, 528416), (3220, 509544), (3312, 495390), (3360, 488313), (3370, 486864), (3381, 485280), (3528, 465060), (3680, 445851), (3780, 434056), (3864, 424620), (3920, 418554), (4044, 405720), (4140, 396312), (4320, 379799), (4347, 377440), (4410, 372048), (4508, 363960), (4704, 348795), (4718, 347760), (4830, 339696), (4968, 330260), (5040, 325542), (5055, 324576), (5152, 318465), (5292, 310040), (5392, 304290), (5520, 297234), (5635, 291168), (5796, 283080), (5880, 279036), (6048, 271285), (6066, 270480), (6210, 264208), (6440, 254772), (6615, 248032), (6624, 247695), (6740, 243432), (6762, 242640), (7056, 232530), (7077, 231840), (7245, 226464), (7560, 217028), (7728, 212310), (7751, 211680), (7840, 209277), (8088, 202860), (8280, 198156), (8694, 188720), (8820, 186024), (9016, 181980), (9099, 180320), (9436, 173880), (9660, 169848), (9936, 165130), (10080, 162771), (10110, 162288), (10143, 161760), (10584, 155020), (10784, 152145), (11040, 148617), (11270, 145584), (11592, 141540), (11760, 139518), (11795, 139104), (12132, 135240), (12420, 132104), (12880, 127386), (13230, 124016), (13480, 121716), (13524, 121320), (14112, 116265), (14154, 115920), (14490, 113232), (15120, 108514), (15165, 108192), (15456, 106155), (15502, 105840), (16176, 101430), (16513, 99360), (16560, 99078), (16905, 97056), (17388, 94360), (17640, 93012), (18032, 90990), (18198, 90160), (18872, 86940), (19320, 84924), (19872, 82565), (20220, 81144), (20286, 80880), (21168, 77510), (21231, 77280), (21735, 75488), (22540, 72792), (23184, 70770), (23253, 70560), (23520, 69759), (23590, 69552), (24264, 67620), (24840, 66052), (25760, 63693), (26460, 62008), (26960, 60858), (27048, 60660), (28308, 57960), (28980, 56616), (30240, 54257), (30330, 54096), (30429, 53920), (31004, 52920), (32352, 50715), (33026, 49680), (33120, 49539), (33810, 48528), (34776, 47180), (35280, 46506), (35385, 46368), (36064, 45495), (36396, 45080), (37744, 43470), (38640, 42462), (38755, 42336), (40440, 40572)]