20990430720

素因数分解:

$2^9\times 3^4\times 5^1\times 7^1\times {\mathrm{14461}}^1$

素因数の和:14503

約数の個数: 400

約数和(自身を含む): 85927187808

約数和(自身を除く): 64936757088

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, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 512, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1536, 1620, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2560, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3584, 3780, 3840, 4032, 4320, 4480, 4536, 4608, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6912, 7560, 7680, 8064, 8640, 8960, 9072, 10080, 10368, 10752, 11340, 11520, 12096, 12960, 13440, 13824, 14461, 15120, 16128, 17280, 17920, 18144, 20160, 20736, 22680, 23040, 24192, 25920, 26880, 28922, 30240, 32256, 34560, 36288, 40320, 41472, 43383, 45360, 48384, 51840, 53760, 57844, 60480, 69120, 72305, 72576, 80640, 86766, 90720, 96768, 101227, 103680, 115688, 120960, 130149, 144610, 145152, 161280, 173532, 181440, 202454, 207360, 216915, 231376, 241920, 260298, 289220, 290304, 303681, 347064, 362880, 390447, 404908, 433830, 462752, 483840, 506135, 520596, 578440, 607362, 650745, 694128, 725760, 780894, 809816, 867660, 911043, 925504, 1012270, 1041192, 1156880, 1171341, 1214724, 1301490, 1388256, 1451520, 1518405, 1561788, 1619632, 1735320, 1822086, 1851008, 1952235, 2024540, 2082384, 2313760, 2342682, 2429448, 2602980, 2733129, 2776512, 3036810, 3123576, 3239264, 3470640, 3644172, 3702016, 3904470, 4049080, 4164768, 4555215, 4627520, 4685364, 4858896, 5205960, 5466258, 5553024, 5856705, 6073620, 6247152, 6478528, 6941280, 7288344, 7404032, 7808940, 8098160, 8199387, 8329536, 9110430, 9255040, 9370728, 9717792, 10411920, 10932516, 11106048, 11713410, 12147240, 12494304, 12957056, 13665645, 13882560, 14576688, 15617880, 16196320, 16398774, 16659072, 18220860, 18510080, 18741456, 19435584, 20823840, 21865032, 22212096, 23426820, 24294480, 24988608, 25914112, 27331290, 27765120, 29153376, 31235760, 32392640, 32797548, 33318144, 36441720, 37020160, 37482912, 38871168, 40996935, 41647680, 43730064, 46853640, 48588960, 49977216, 51828224, 54662580, 55530240, 58306752, 62471520, 64785280, 65595096, 66636288, 72883440, 74965824, 77742336, 81993870, 83295360, 87460128, 93707280, 97177920, 99954432, 109325160, 111060480, 116613504, 124943040, 129570560, 131190192, 145766880, 149931648, 155484672, 163987740, 166590720, 174920256, 187414560, 194355840, 199908864, 218650320, 233227008, 249886080, 259141120, 262380384, 291533760, 299863296, 327975480, 333181440, 349840512, 374829120, 388711680, 437300640, 466454016, 499772160, 524760768, 583067520, 599726592, 655950960, 699681024, 749658240, 777423360, 874601280, 999544320, 1049521536, 1166135040, 1311901920, 1399362048, 1499316480, 1749202560, 2099043072, 2332270080, 2623803840, 2998632960, 3498405120, 4198086144, 5247607680, 6996810240, 10495215360, 20990430720]

約数ペア:

[(1, 20990430720), (2, 10495215360), (3, 6996810240), (4, 5247607680), (5, 4198086144), (6, 3498405120), (7, 2998632960), (8, 2623803840), (9, 2332270080), (10, 2099043072), (12, 1749202560), (14, 1499316480), (15, 1399362048), (16, 1311901920), (18, 1166135040), (20, 1049521536), (21, 999544320), (24, 874601280), (27, 777423360), (28, 749658240), (30, 699681024), (32, 655950960), (35, 599726592), (36, 583067520), (40, 524760768), (42, 499772160), (45, 466454016), (48, 437300640), (54, 388711680), (56, 374829120), (60, 349840512), (63, 333181440), (64, 327975480), (70, 299863296), (72, 291533760), (80, 262380384), (81, 259141120), (84, 249886080), (90, 233227008), (96, 218650320), (105, 199908864), (108, 194355840), (112, 187414560), (120, 174920256), (126, 166590720), (128, 163987740), (135, 155484672), (140, 149931648), (144, 145766880), (160, 131190192), (162, 129570560), (168, 124943040), (180, 116613504), (189, 111060480), (192, 109325160), (210, 99954432), (216, 97177920), (224, 93707280), (240, 87460128), (252, 83295360), (256, 81993870), (270, 77742336), (280, 74965824), (288, 72883440), (315, 66636288), (320, 65595096), (324, 64785280), (336, 62471520), (360, 58306752), (378, 55530240), (384, 54662580), (405, 51828224), (420, 49977216), (432, 48588960), (448, 46853640), (480, 43730064), (504, 41647680), (512, 40996935), (540, 38871168), (560, 37482912), (567, 37020160), (576, 36441720), (630, 33318144), (640, 32797548), (648, 32392640), (672, 31235760), (720, 29153376), (756, 27765120), (768, 27331290), (810, 25914112), (840, 24988608), (864, 24294480), (896, 23426820), (945, 22212096), (960, 21865032), (1008, 20823840), (1080, 19435584), (1120, 18741456), (1134, 18510080), (1152, 18220860), (1260, 16659072), (1280, 16398774), (1296, 16196320), (1344, 15617880), (1440, 14576688), (1512, 13882560), (1536, 13665645), (1620, 12957056), (1680, 12494304), (1728, 12147240), (1792, 11713410), (1890, 11106048), (1920, 10932516), (2016, 10411920), (2160, 9717792), (2240, 9370728), (2268, 9255040), (2304, 9110430), (2520, 8329536), (2560, 8199387), (2592, 8098160), (2688, 7808940), (2835, 7404032), (2880, 7288344), (3024, 6941280), (3240, 6478528), (3360, 6247152), (3456, 6073620), (3584, 5856705), (3780, 5553024), (3840, 5466258), (4032, 5205960), (4320, 4858896), (4480, 4685364), (4536, 4627520), (4608, 4555215), (5040, 4164768), (5184, 4049080), (5376, 3904470), (5670, 3702016), (5760, 3644172), (6048, 3470640), (6480, 3239264), (6720, 3123576), (6912, 3036810), (7560, 2776512), (7680, 2733129), (8064, 2602980), (8640, 2429448), (8960, 2342682), (9072, 2313760), (10080, 2082384), (10368, 2024540), (10752, 1952235), (11340, 1851008), (11520, 1822086), (12096, 1735320), (12960, 1619632), (13440, 1561788), (13824, 1518405), (14461, 1451520), (15120, 1388256), (16128, 1301490), (17280, 1214724), (17920, 1171341), (18144, 1156880), (20160, 1041192), (20736, 1012270), (22680, 925504), (23040, 911043), (24192, 867660), (25920, 809816), (26880, 780894), (28922, 725760), (30240, 694128), (32256, 650745), (34560, 607362), (36288, 578440), (40320, 520596), (41472, 506135), (43383, 483840), (45360, 462752), (48384, 433830), (51840, 404908), (53760, 390447), (57844, 362880), (60480, 347064), (69120, 303681), (72305, 290304), (72576, 289220), (80640, 260298), (86766, 241920), (90720, 231376), (96768, 216915), (101227, 207360), (103680, 202454), (115688, 181440), (120960, 173532), (130149, 161280), (144610, 145152)]