645304320

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 260

約数和(自身を含む): 2319199740

約数和(自身を除く): 1673895420

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, 8640, 9216, 9336, 10240, 10368, 10503, 11520, 11670, 12288, 12448, 12960, 13824, 14004, 15360, 15560, 17280, 17505, 18432, 18672, 20480, 20736, 21006, 23040, 23340, 24896, 25920, 27648, 28008, 30720, 31120, 31509, 34560, 35010, 36864, 37344, 41472, 42012, 46080, 46680, 49792, 51840, 52515, 55296, 56016, 61440, 62240, 63018, 69120, 70020, 74688, 82944, 84024, 92160, 93360, 99584, 103680, 105030, 110592, 112032, 124480, 126036, 138240, 140040, 149376, 157545, 165888, 168048, 184320, 186720, 199168, 207360, 210060, 224064, 248960, 252072, 276480, 280080, 298752, 315090, 331776, 336096, 373440, 398336, 414720, 420120, 448128, 497920, 504144, 552960, 560160, 597504, 630180, 672192, 746880, 796672, 829440, 840240, 896256, 995840, 1008288, 1120320, 1195008, 1260360, 1344384, 1493760, 1593344, 1658880, 1680480, 1792512, 1991680, 2016576, 2240640, 2390016, 2520720, 2688768, 2987520, 3360960, 3585024, 3983360, 4033152, 4481280, 4780032, 5041440, 5377536, 5975040, 6721920, 7170048, 7966720, 8066304, 8962560, 10082880, 10755072, 11950080, 13443840, 14340096, 16132608, 17925120, 20165760, 21510144, 23900160, 26887680, 32265216, 35850240, 40331520, 43020288, 53775360, 64530432, 71700480, 80663040, 107550720, 129060864, 161326080, 215101440, 322652160, 645304320]

約数ペア:

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