279961920

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{1543}}^1$

素因数の和:1579

約数の個数: 280

約数和(自身を含む): 1138879104

約数和(自身を除く): 858917184

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, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1543, 1620, 1680, 1728, 1890, 2016, 2160, 2240, 2268, 2520, 2592, 2835, 2880, 3024, 3086, 3240, 3360, 3780, 4032, 4320, 4536, 4629, 5040, 5184, 5670, 6048, 6172, 6480, 6720, 7560, 7715, 8640, 9072, 9258, 10080, 10801, 11340, 12096, 12344, 12960, 13887, 15120, 15430, 18144, 18516, 20160, 21602, 22680, 23145, 24688, 25920, 27774, 30240, 30860, 32403, 36288, 37032, 41661, 43204, 45360, 46290, 49376, 54005, 55548, 60480, 61720, 64806, 69435, 74064, 83322, 86408, 90720, 92580, 97209, 98752, 108010, 111096, 123440, 124983, 129612, 138870, 148128, 162015, 166644, 172816, 181440, 185160, 194418, 208305, 216020, 222192, 246880, 249966, 259224, 277740, 291627, 296256, 324030, 333288, 345632, 370320, 388836, 416610, 432040, 444384, 486045, 493760, 499932, 518448, 555480, 583254, 624915, 648060, 666576, 691264, 740640, 777672, 833220, 864080, 874881, 888768, 972090, 999864, 1036896, 1110960, 1166508, 1249830, 1296120, 1333152, 1458135, 1481280, 1555344, 1666440, 1728160, 1749762, 1944180, 1999728, 2073792, 2221920, 2333016, 2499660, 2592240, 2666304, 2916270, 3110688, 3332880, 3456320, 3499524, 3888360, 3999456, 4374405, 4443840, 4666032, 4999320, 5184480, 5832540, 6221376, 6665760, 6999048, 7776720, 7998912, 8748810, 9332064, 9998640, 10368960, 11665080, 13331520, 13998096, 15553440, 17497620, 18664128, 19997280, 23330160, 27996192, 31106880, 34995240, 39994560, 46660320, 55992384, 69990480, 93320640, 139980960, 279961920]

約数ペア:

[(1, 279961920), (2, 139980960), (3, 93320640), (4, 69990480), (5, 55992384), (6, 46660320), (7, 39994560), (8, 34995240), (9, 31106880), (10, 27996192), (12, 23330160), (14, 19997280), (15, 18664128), (16, 17497620), (18, 15553440), (20, 13998096), (21, 13331520), (24, 11665080), (27, 10368960), (28, 9998640), (30, 9332064), (32, 8748810), (35, 7998912), (36, 7776720), (40, 6999048), (42, 6665760), (45, 6221376), (48, 5832540), (54, 5184480), (56, 4999320), (60, 4666032), (63, 4443840), (64, 4374405), (70, 3999456), (72, 3888360), (80, 3499524), (81, 3456320), (84, 3332880), (90, 3110688), (96, 2916270), (105, 2666304), (108, 2592240), (112, 2499660), (120, 2333016), (126, 2221920), (135, 2073792), (140, 1999728), (144, 1944180), (160, 1749762), (162, 1728160), (168, 1666440), (180, 1555344), (189, 1481280), (192, 1458135), (210, 1333152), (216, 1296120), (224, 1249830), (240, 1166508), (252, 1110960), (270, 1036896), (280, 999864), (288, 972090), (315, 888768), (320, 874881), (324, 864080), (336, 833220), (360, 777672), (378, 740640), (405, 691264), (420, 666576), (432, 648060), (448, 624915), (480, 583254), (504, 555480), (540, 518448), (560, 499932), (567, 493760), (576, 486045), (630, 444384), (648, 432040), (672, 416610), (720, 388836), (756, 370320), (810, 345632), (840, 333288), (864, 324030), (945, 296256), (960, 291627), (1008, 277740), (1080, 259224), (1120, 249966), (1134, 246880), (1260, 222192), (1296, 216020), (1344, 208305), (1440, 194418), (1512, 185160), (1543, 181440), (1620, 172816), (1680, 166644), (1728, 162015), (1890, 148128), (2016, 138870), (2160, 129612), (2240, 124983), (2268, 123440), (2520, 111096), (2592, 108010), (2835, 98752), (2880, 97209), (3024, 92580), (3086, 90720), (3240, 86408), (3360, 83322), (3780, 74064), (4032, 69435), (4320, 64806), (4536, 61720), (4629, 60480), (5040, 55548), (5184, 54005), (5670, 49376), (6048, 46290), (6172, 45360), (6480, 43204), (6720, 41661), (7560, 37032), (7715, 36288), (8640, 32403), (9072, 30860), (9258, 30240), (10080, 27774), (10801, 25920), (11340, 24688), (12096, 23145), (12344, 22680), (12960, 21602), (13887, 20160), (15120, 18516), (15430, 18144)]