661409280

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{1367}}^1$

素因数の和:1406

約数の個数: 320

約数和(自身を含む): 2686970880

約数和(自身を除く): 2025561600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1367, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2560, 2688, 2734, 2880, 3024, 3360, 3456, 3584, 3780, 3840, 4032, 4101, 4320, 4480, 4608, 5040, 5376, 5468, 5760, 6048, 6720, 6835, 6912, 7560, 7680, 8064, 8202, 8640, 8960, 9569, 10080, 10752, 10936, 11520, 12096, 12303, 13440, 13670, 13824, 15120, 16128, 16404, 17280, 17920, 19138, 20160, 20505, 21872, 23040, 24192, 24606, 26880, 27340, 28707, 30240, 32256, 32808, 34560, 36909, 38276, 40320, 41010, 43744, 47845, 48384, 49212, 53760, 54680, 57414, 60480, 61515, 65616, 69120, 73818, 76552, 80640, 82020, 86121, 87488, 95690, 96768, 98424, 109360, 114828, 120960, 123030, 131232, 143535, 147636, 153104, 161280, 164040, 172242, 174976, 184545, 191380, 196848, 218720, 229656, 241920, 246060, 258363, 262464, 287070, 295272, 306208, 328080, 344484, 349952, 369090, 382760, 393696, 430605, 437440, 459312, 483840, 492120, 516726, 524928, 574140, 590544, 612416, 656160, 688968, 699904, 738180, 765520, 787392, 861210, 874880, 918624, 984240, 1033452, 1049856, 1148280, 1181088, 1224832, 1291815, 1312320, 1377936, 1476360, 1531040, 1574784, 1722420, 1749760, 1837248, 1968480, 2066904, 2099712, 2296560, 2362176, 2449664, 2583630, 2624640, 2755872, 2952720, 3062080, 3149568, 3444840, 3499520, 3674496, 3936960, 4133808, 4593120, 4724352, 4899328, 5167260, 5249280, 5511744, 5905440, 6124160, 6299136, 6889680, 7348992, 7873920, 8267616, 9186240, 9448704, 10334520, 10498560, 11023488, 11810880, 12248320, 13779360, 14697984, 15747840, 16535232, 18372480, 18897408, 20669040, 22046976, 23621760, 24496640, 27558720, 31495680, 33070464, 36744960, 41338080, 44093952, 47243520, 55117440, 66140928, 73489920, 82676160, 94487040, 110234880, 132281856, 165352320, 220469760, 330704640, 661409280]

約数ペア:

[(1, 661409280), (2, 330704640), (3, 220469760), (4, 165352320), (5, 132281856), (6, 110234880), (7, 94487040), (8, 82676160), (9, 73489920), (10, 66140928), (12, 55117440), (14, 47243520), (15, 44093952), (16, 41338080), (18, 36744960), (20, 33070464), (21, 31495680), (24, 27558720), (27, 24496640), (28, 23621760), (30, 22046976), (32, 20669040), (35, 18897408), (36, 18372480), (40, 16535232), (42, 15747840), (45, 14697984), (48, 13779360), (54, 12248320), (56, 11810880), (60, 11023488), (63, 10498560), (64, 10334520), (70, 9448704), (72, 9186240), (80, 8267616), (84, 7873920), (90, 7348992), (96, 6889680), (105, 6299136), (108, 6124160), (112, 5905440), (120, 5511744), (126, 5249280), (128, 5167260), (135, 4899328), (140, 4724352), (144, 4593120), (160, 4133808), (168, 3936960), (180, 3674496), (189, 3499520), (192, 3444840), (210, 3149568), (216, 3062080), (224, 2952720), (240, 2755872), (252, 2624640), (256, 2583630), (270, 2449664), (280, 2362176), (288, 2296560), (315, 2099712), (320, 2066904), (336, 1968480), (360, 1837248), (378, 1749760), (384, 1722420), (420, 1574784), (432, 1531040), (448, 1476360), (480, 1377936), (504, 1312320), (512, 1291815), (540, 1224832), (560, 1181088), (576, 1148280), (630, 1049856), (640, 1033452), (672, 984240), (720, 918624), (756, 874880), (768, 861210), (840, 787392), (864, 765520), (896, 738180), (945, 699904), (960, 688968), (1008, 656160), (1080, 612416), (1120, 590544), (1152, 574140), (1260, 524928), (1280, 516726), (1344, 492120), (1367, 483840), (1440, 459312), (1512, 437440), (1536, 430605), (1680, 393696), (1728, 382760), (1792, 369090), (1890, 349952), (1920, 344484), (2016, 328080), (2160, 306208), (2240, 295272), (2304, 287070), (2520, 262464), (2560, 258363), (2688, 246060), (2734, 241920), (2880, 229656), (3024, 218720), (3360, 196848), (3456, 191380), (3584, 184545), (3780, 174976), (3840, 172242), (4032, 164040), (4101, 161280), (4320, 153104), (4480, 147636), (4608, 143535), (5040, 131232), (5376, 123030), (5468, 120960), (5760, 114828), (6048, 109360), (6720, 98424), (6835, 96768), (6912, 95690), (7560, 87488), (7680, 86121), (8064, 82020), (8202, 80640), (8640, 76552), (8960, 73818), (9569, 69120), (10080, 65616), (10752, 61515), (10936, 60480), (11520, 57414), (12096, 54680), (12303, 53760), (13440, 49212), (13670, 48384), (13824, 47845), (15120, 43744), (16128, 41010), (16404, 40320), (17280, 38276), (17920, 36909), (19138, 34560), (20160, 32808), (20505, 32256), (21872, 30240), (23040, 28707), (24192, 27340), (24606, 26880)]