1280655360

素因数分解:

$2^{14}\times 3^4\times 5^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 300

約数和(自身を含む): 4615035348

約数和(自身を除く): 3334379988

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 193, 216, 240, 256, 270, 288, 320, 324, 360, 384, 386, 405, 432, 480, 512, 540, 576, 579, 640, 648, 720, 768, 772, 810, 864, 960, 965, 1024, 1080, 1152, 1158, 1280, 1296, 1440, 1536, 1544, 1620, 1728, 1737, 1920, 1930, 2048, 2160, 2304, 2316, 2560, 2592, 2880, 2895, 3072, 3088, 3240, 3456, 3474, 3840, 3860, 4096, 4320, 4608, 4632, 5120, 5184, 5211, 5760, 5790, 6144, 6176, 6480, 6912, 6948, 7680, 7720, 8192, 8640, 8685, 9216, 9264, 10240, 10368, 10422, 11520, 11580, 12288, 12352, 12960, 13824, 13896, 15360, 15440, 15633, 16384, 17280, 17370, 18432, 18528, 20480, 20736, 20844, 23040, 23160, 24576, 24704, 25920, 26055, 27648, 27792, 30720, 30880, 31266, 34560, 34740, 36864, 37056, 40960, 41472, 41688, 46080, 46320, 49152, 49408, 51840, 52110, 55296, 55584, 61440, 61760, 62532, 69120, 69480, 73728, 74112, 78165, 81920, 82944, 83376, 92160, 92640, 98816, 103680, 104220, 110592, 111168, 122880, 123520, 125064, 138240, 138960, 147456, 148224, 156330, 165888, 166752, 184320, 185280, 197632, 207360, 208440, 221184, 222336, 245760, 247040, 250128, 276480, 277920, 296448, 312660, 331776, 333504, 368640, 370560, 395264, 414720, 416880, 442368, 444672, 494080, 500256, 552960, 555840, 592896, 625320, 663552, 667008, 737280, 741120, 790528, 829440, 833760, 889344, 988160, 1000512, 1105920, 1111680, 1185792, 1250640, 1327104, 1334016, 1482240, 1581056, 1658880, 1667520, 1778688, 1976320, 2001024, 2211840, 2223360, 2371584, 2501280, 2668032, 2964480, 3162112, 3317760, 3335040, 3557376, 3952640, 4002048, 4446720, 4743168, 5002560, 5336064, 5928960, 6635520, 6670080, 7114752, 7905280, 8004096, 8893440, 9486336, 10005120, 10672128, 11857920, 13340160, 14229504, 15810560, 16008192, 17786880, 20010240, 21344256, 23715840, 26680320, 28459008, 32016384, 35573760, 40020480, 42688512, 47431680, 53360640, 64032768, 71147520, 80040960, 85377024, 106721280, 128065536, 142295040, 160081920, 213442560, 256131072, 320163840, 426885120, 640327680, 1280655360]

約数ペア:

[(1, 1280655360), (2, 640327680), (3, 426885120), (4, 320163840), (5, 256131072), (6, 213442560), (8, 160081920), (9, 142295040), (10, 128065536), (12, 106721280), (15, 85377024), (16, 80040960), (18, 71147520), (20, 64032768), (24, 53360640), (27, 47431680), (30, 42688512), (32, 40020480), (36, 35573760), (40, 32016384), (45, 28459008), (48, 26680320), (54, 23715840), (60, 21344256), (64, 20010240), (72, 17786880), (80, 16008192), (81, 15810560), (90, 14229504), (96, 13340160), (108, 11857920), (120, 10672128), (128, 10005120), (135, 9486336), (144, 8893440), (160, 8004096), (162, 7905280), (180, 7114752), (192, 6670080), (193, 6635520), (216, 5928960), (240, 5336064), (256, 5002560), (270, 4743168), (288, 4446720), (320, 4002048), (324, 3952640), (360, 3557376), (384, 3335040), (386, 3317760), (405, 3162112), (432, 2964480), (480, 2668032), (512, 2501280), (540, 2371584), (576, 2223360), (579, 2211840), (640, 2001024), (648, 1976320), (720, 1778688), (768, 1667520), (772, 1658880), (810, 1581056), (864, 1482240), (960, 1334016), (965, 1327104), (1024, 1250640), (1080, 1185792), (1152, 1111680), (1158, 1105920), (1280, 1000512), (1296, 988160), (1440, 889344), (1536, 833760), (1544, 829440), (1620, 790528), (1728, 741120), (1737, 737280), (1920, 667008), (1930, 663552), (2048, 625320), (2160, 592896), (2304, 555840), (2316, 552960), (2560, 500256), (2592, 494080), (2880, 444672), (2895, 442368), (3072, 416880), (3088, 414720), (3240, 395264), (3456, 370560), (3474, 368640), (3840, 333504), (3860, 331776), (4096, 312660), (4320, 296448), (4608, 277920), (4632, 276480), (5120, 250128), (5184, 247040), (5211, 245760), (5760, 222336), (5790, 221184), (6144, 208440), (6176, 207360), (6480, 197632), (6912, 185280), (6948, 184320), (7680, 166752), (7720, 165888), (8192, 156330), (8640, 148224), (8685, 147456), (9216, 138960), (9264, 138240), (10240, 125064), (10368, 123520), (10422, 122880), (11520, 111168), (11580, 110592), (12288, 104220), (12352, 103680), (12960, 98816), (13824, 92640), (13896, 92160), (15360, 83376), (15440, 82944), (15633, 81920), (16384, 78165), (17280, 74112), (17370, 73728), (18432, 69480), (18528, 69120), (20480, 62532), (20736, 61760), (20844, 61440), (23040, 55584), (23160, 55296), (24576, 52110), (24704, 51840), (25920, 49408), (26055, 49152), (27648, 46320), (27792, 46080), (30720, 41688), (30880, 41472), (31266, 40960), (34560, 37056), (34740, 36864)]