20728522080

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{76163}}^1$

素因数の和:76200

約数の個数: 288

約数和(自身を含む): 83836456704

約数和(自身を除く): 63107934624

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, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2430, 2520, 2592, 2835, 3024, 3240, 3360, 3402, 3780, 3888, 4320, 4536, 4860, 5040, 5670, 6048, 6480, 6804, 7560, 7776, 8505, 9072, 9720, 10080, 11340, 12960, 13608, 15120, 17010, 18144, 19440, 22680, 27216, 30240, 34020, 38880, 45360, 54432, 68040, 76163, 90720, 136080, 152326, 228489, 272160, 304652, 380815, 456978, 533141, 609304, 685467, 761630, 913956, 1066282, 1142445, 1218608, 1370934, 1523260, 1599423, 1827912, 2056401, 2132564, 2284890, 2437216, 2665705, 2741868, 3046520, 3198846, 3427335, 3655824, 4112802, 4265128, 4569780, 4798269, 5331410, 5483736, 6093040, 6169203, 6397692, 6854670, 7311648, 7997115, 8225604, 8530256, 9139560, 9596538, 10282005, 10662820, 10967472, 12186080, 12338406, 12795384, 13709340, 14394807, 15994230, 16451208, 17060512, 18279120, 18507609, 19193076, 20564010, 21325640, 21934944, 23991345, 24676812, 25590768, 27418680, 28789614, 30846015, 31988460, 32902416, 36558240, 37015218, 38386152, 41128020, 42651280, 43184421, 47982690, 49353624, 51181536, 54837360, 57579228, 61692030, 63976920, 65804832, 71974035, 74030436, 76772304, 82256040, 85302560, 86368842, 92538045, 95965380, 98707248, 109674720, 115158456, 123384060, 127953840, 129553263, 143948070, 148060872, 153544608, 164512080, 172737684, 185076090, 191930760, 197414496, 215922105, 230316912, 246768120, 255907680, 259106526, 287896140, 296121744, 329024160, 345475368, 370152180, 383861520, 431844210, 460633824, 493536240, 518213052, 575792280, 592243488, 647766315, 690950736, 740304360, 767723040, 863688420, 987072480, 1036426104, 1151584560, 1295532630, 1381901472, 1480608720, 1727376840, 2072852208, 2303169120, 2591065260, 2961217440, 3454753680, 4145704416, 5182130520, 6909507360, 10364261040, 20728522080]

約数ペア:

[(1, 20728522080), (2, 10364261040), (3, 6909507360), (4, 5182130520), (5, 4145704416), (6, 3454753680), (7, 2961217440), (8, 2591065260), (9, 2303169120), (10, 2072852208), (12, 1727376840), (14, 1480608720), (15, 1381901472), (16, 1295532630), (18, 1151584560), (20, 1036426104), (21, 987072480), (24, 863688420), (27, 767723040), (28, 740304360), (30, 690950736), (32, 647766315), (35, 592243488), (36, 575792280), (40, 518213052), (42, 493536240), (45, 460633824), (48, 431844210), (54, 383861520), (56, 370152180), (60, 345475368), (63, 329024160), (70, 296121744), (72, 287896140), (80, 259106526), (81, 255907680), (84, 246768120), (90, 230316912), (96, 215922105), (105, 197414496), (108, 191930760), (112, 185076090), (120, 172737684), (126, 164512080), (135, 153544608), (140, 148060872), (144, 143948070), (160, 129553263), (162, 127953840), (168, 123384060), (180, 115158456), (189, 109674720), (210, 98707248), (216, 95965380), (224, 92538045), (240, 86368842), (243, 85302560), (252, 82256040), (270, 76772304), (280, 74030436), (288, 71974035), (315, 65804832), (324, 63976920), (336, 61692030), (360, 57579228), (378, 54837360), (405, 51181536), (420, 49353624), (432, 47982690), (480, 43184421), (486, 42651280), (504, 41128020), (540, 38386152), (560, 37015218), (567, 36558240), (630, 32902416), (648, 31988460), (672, 30846015), (720, 28789614), (756, 27418680), (810, 25590768), (840, 24676812), (864, 23991345), (945, 21934944), (972, 21325640), (1008, 20564010), (1080, 19193076), (1120, 18507609), (1134, 18279120), (1215, 17060512), (1260, 16451208), (1296, 15994230), (1440, 14394807), (1512, 13709340), (1620, 12795384), (1680, 12338406), (1701, 12186080), (1890, 10967472), (1944, 10662820), (2016, 10282005), (2160, 9596538), (2268, 9139560), (2430, 8530256), (2520, 8225604), (2592, 7997115), (2835, 7311648), (3024, 6854670), (3240, 6397692), (3360, 6169203), (3402, 6093040), (3780, 5483736), (3888, 5331410), (4320, 4798269), (4536, 4569780), (4860, 4265128), (5040, 4112802), (5670, 3655824), (6048, 3427335), (6480, 3198846), (6804, 3046520), (7560, 2741868), (7776, 2665705), (8505, 2437216), (9072, 2284890), (9720, 2132564), (10080, 2056401), (11340, 1827912), (12960, 1599423), (13608, 1523260), (15120, 1370934), (17010, 1218608), (18144, 1142445), (19440, 1066282), (22680, 913956), (27216, 761630), (30240, 685467), (34020, 609304), (38880, 533141), (45360, 456978), (54432, 380815), (68040, 304652), (76163, 272160), (90720, 228489), (136080, 152326)]