279785520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1291}}^1$

素因数の和:1360

約数の個数: 240

約数和(自身を含む): 1099667712

約数和(自身を除く): 819882192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 180, 210, 215, 240, 252, 258, 280, 301, 315, 336, 344, 360, 387, 420, 430, 504, 516, 560, 602, 630, 645, 688, 720, 774, 840, 860, 903, 1008, 1032, 1204, 1260, 1290, 1291, 1505, 1548, 1680, 1720, 1806, 1935, 2064, 2408, 2520, 2580, 2582, 2709, 3010, 3096, 3440, 3612, 3870, 3873, 4515, 4816, 5040, 5160, 5164, 5418, 6020, 6192, 6455, 7224, 7740, 7746, 9030, 9037, 10320, 10328, 10836, 11619, 12040, 12910, 13545, 14448, 15480, 15492, 18060, 18074, 19365, 20656, 21672, 23238, 24080, 25820, 27090, 27111, 30960, 30984, 36120, 36148, 38730, 43344, 45185, 46476, 51640, 54180, 54222, 55513, 58095, 61968, 72240, 72296, 77460, 81333, 90370, 92952, 103280, 108360, 108444, 111026, 116190, 135555, 144592, 154920, 162666, 166539, 180740, 185904, 216720, 216888, 222052, 232380, 271110, 277565, 309840, 325332, 333078, 361480, 388591, 406665, 433776, 444104, 464760, 499617, 542220, 555130, 650664, 666156, 722960, 777182, 813330, 832695, 888208, 929520, 999234, 1084440, 1110260, 1165773, 1301328, 1332312, 1554364, 1626660, 1665390, 1942955, 1998468, 2168880, 2220520, 2331546, 2498085, 2664624, 3108728, 3253320, 3330780, 3497319, 3885910, 3996936, 4441040, 4663092, 4996170, 5828865, 6217456, 6506640, 6661560, 6994638, 7771820, 7993872, 9326184, 9992340, 11657730, 13323120, 13989276, 15543640, 17486595, 18652368, 19984680, 23315460, 27978552, 31087280, 34973190, 39969360, 46630920, 55957104, 69946380, 93261840, 139892760, 279785520]

約数ペア:

[(1, 279785520), (2, 139892760), (3, 93261840), (4, 69946380), (5, 55957104), (6, 46630920), (7, 39969360), (8, 34973190), (9, 31087280), (10, 27978552), (12, 23315460), (14, 19984680), (15, 18652368), (16, 17486595), (18, 15543640), (20, 13989276), (21, 13323120), (24, 11657730), (28, 9992340), (30, 9326184), (35, 7993872), (36, 7771820), (40, 6994638), (42, 6661560), (43, 6506640), (45, 6217456), (48, 5828865), (56, 4996170), (60, 4663092), (63, 4441040), (70, 3996936), (72, 3885910), (80, 3497319), (84, 3330780), (86, 3253320), (90, 3108728), (105, 2664624), (112, 2498085), (120, 2331546), (126, 2220520), (129, 2168880), (140, 1998468), (144, 1942955), (168, 1665390), (172, 1626660), (180, 1554364), (210, 1332312), (215, 1301328), (240, 1165773), (252, 1110260), (258, 1084440), (280, 999234), (301, 929520), (315, 888208), (336, 832695), (344, 813330), (360, 777182), (387, 722960), (420, 666156), (430, 650664), (504, 555130), (516, 542220), (560, 499617), (602, 464760), (630, 444104), (645, 433776), (688, 406665), (720, 388591), (774, 361480), (840, 333078), (860, 325332), (903, 309840), (1008, 277565), (1032, 271110), (1204, 232380), (1260, 222052), (1290, 216888), (1291, 216720), (1505, 185904), (1548, 180740), (1680, 166539), (1720, 162666), (1806, 154920), (1935, 144592), (2064, 135555), (2408, 116190), (2520, 111026), (2580, 108444), (2582, 108360), (2709, 103280), (3010, 92952), (3096, 90370), (3440, 81333), (3612, 77460), (3870, 72296), (3873, 72240), (4515, 61968), (4816, 58095), (5040, 55513), (5160, 54222), (5164, 54180), (5418, 51640), (6020, 46476), (6192, 45185), (6455, 43344), (7224, 38730), (7740, 36148), (7746, 36120), (9030, 30984), (9037, 30960), (10320, 27111), (10328, 27090), (10836, 25820), (11619, 24080), (12040, 23238), (12910, 21672), (13545, 20656), (14448, 19365), (15480, 18074), (15492, 18060)]