1290608640

素因数分解:

$2^{13}\times 3^4\times 5^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 280

約数和(自身を含む): 4638682620

約数和(自身を除く): 3348073980

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, 216, 240, 256, 270, 288, 320, 324, 360, 384, 389, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 778, 810, 864, 960, 1024, 1080, 1152, 1167, 1280, 1296, 1440, 1536, 1556, 1620, 1728, 1920, 1945, 2048, 2160, 2304, 2334, 2560, 2592, 2880, 3072, 3112, 3240, 3456, 3501, 3840, 3890, 4096, 4320, 4608, 4668, 5120, 5184, 5760, 5835, 6144, 6224, 6480, 6912, 7002, 7680, 7780, 8192, 8640, 9216, 9336, 10240, 10368, 10503, 11520, 11670, 12288, 12448, 12960, 13824, 14004, 15360, 15560, 17280, 17505, 18432, 18672, 20480, 20736, 21006, 23040, 23340, 24576, 24896, 25920, 27648, 28008, 30720, 31120, 31509, 34560, 35010, 36864, 37344, 40960, 41472, 42012, 46080, 46680, 49792, 51840, 52515, 55296, 56016, 61440, 62240, 63018, 69120, 70020, 73728, 74688, 82944, 84024, 92160, 93360, 99584, 103680, 105030, 110592, 112032, 122880, 124480, 126036, 138240, 140040, 149376, 157545, 165888, 168048, 184320, 186720, 199168, 207360, 210060, 221184, 224064, 248960, 252072, 276480, 280080, 298752, 315090, 331776, 336096, 368640, 373440, 398336, 414720, 420120, 448128, 497920, 504144, 552960, 560160, 597504, 630180, 663552, 672192, 746880, 796672, 829440, 840240, 896256, 995840, 1008288, 1105920, 1120320, 1195008, 1260360, 1344384, 1493760, 1593344, 1658880, 1680480, 1792512, 1991680, 2016576, 2240640, 2390016, 2520720, 2688768, 2987520, 3186688, 3317760, 3360960, 3585024, 3983360, 4033152, 4481280, 4780032, 5041440, 5377536, 5975040, 6721920, 7170048, 7966720, 8066304, 8962560, 9560064, 10082880, 10755072, 11950080, 13443840, 14340096, 15933440, 16132608, 17925120, 20165760, 21510144, 23900160, 26887680, 28680192, 32265216, 35850240, 40331520, 43020288, 47800320, 53775360, 64530432, 71700480, 80663040, 86040576, 107550720, 129060864, 143400960, 161326080, 215101440, 258121728, 322652160, 430202880, 645304320, 1290608640]

約数ペア:

[(1, 1290608640), (2, 645304320), (3, 430202880), (4, 322652160), (5, 258121728), (6, 215101440), (8, 161326080), (9, 143400960), (10, 129060864), (12, 107550720), (15, 86040576), (16, 80663040), (18, 71700480), (20, 64530432), (24, 53775360), (27, 47800320), (30, 43020288), (32, 40331520), (36, 35850240), (40, 32265216), (45, 28680192), (48, 26887680), (54, 23900160), (60, 21510144), (64, 20165760), (72, 17925120), (80, 16132608), (81, 15933440), (90, 14340096), (96, 13443840), (108, 11950080), (120, 10755072), (128, 10082880), (135, 9560064), (144, 8962560), (160, 8066304), (162, 7966720), (180, 7170048), (192, 6721920), (216, 5975040), (240, 5377536), (256, 5041440), (270, 4780032), (288, 4481280), (320, 4033152), (324, 3983360), (360, 3585024), (384, 3360960), (389, 3317760), (405, 3186688), (432, 2987520), (480, 2688768), (512, 2520720), (540, 2390016), (576, 2240640), (640, 2016576), (648, 1991680), (720, 1792512), (768, 1680480), (778, 1658880), (810, 1593344), (864, 1493760), (960, 1344384), (1024, 1260360), (1080, 1195008), (1152, 1120320), (1167, 1105920), (1280, 1008288), (1296, 995840), (1440, 896256), (1536, 840240), (1556, 829440), (1620, 796672), (1728, 746880), (1920, 672192), (1945, 663552), (2048, 630180), (2160, 597504), (2304, 560160), (2334, 552960), (2560, 504144), (2592, 497920), (2880, 448128), (3072, 420120), (3112, 414720), (3240, 398336), (3456, 373440), (3501, 368640), (3840, 336096), (3890, 331776), (4096, 315090), (4320, 298752), (4608, 280080), (4668, 276480), (5120, 252072), (5184, 248960), (5760, 224064), (5835, 221184), (6144, 210060), (6224, 207360), (6480, 199168), (6912, 186720), (7002, 184320), (7680, 168048), (7780, 165888), (8192, 157545), (8640, 149376), (9216, 140040), (9336, 138240), (10240, 126036), (10368, 124480), (10503, 122880), (11520, 112032), (11670, 110592), (12288, 105030), (12448, 103680), (12960, 99584), (13824, 93360), (14004, 92160), (15360, 84024), (15560, 82944), (17280, 74688), (17505, 73728), (18432, 70020), (18672, 69120), (20480, 63018), (20736, 62240), (21006, 61440), (23040, 56016), (23340, 55296), (24576, 52515), (24896, 51840), (25920, 49792), (27648, 46680), (28008, 46080), (30720, 42012), (31120, 41472), (31509, 40960), (34560, 37344), (35010, 36864)]