210821520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 320

約数和(自身を含む): 824947200

約数和(自身を除く): 614125680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 197, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 343, 364, 390, 392, 394, 420, 455, 490, 520, 546, 560, 588, 591, 624, 637, 686, 728, 735, 780, 784, 788, 840, 910, 980, 985, 1029, 1040, 1092, 1176, 1182, 1274, 1365, 1372, 1379, 1456, 1470, 1560, 1576, 1680, 1715, 1820, 1911, 1960, 1970, 2058, 2184, 2352, 2364, 2548, 2561, 2730, 2744, 2758, 2940, 2955, 3120, 3152, 3185, 3430, 3640, 3822, 3920, 3940, 4116, 4137, 4368, 4459, 4728, 5096, 5122, 5145, 5460, 5488, 5516, 5880, 5910, 6370, 6860, 6895, 7280, 7644, 7683, 7880, 8232, 8274, 8918, 9456, 9555, 9653, 10192, 10244, 10290, 10920, 11032, 11760, 11820, 12740, 12805, 13377, 13720, 13790, 15288, 15366, 15760, 16464, 16548, 17836, 17927, 19110, 19306, 20488, 20580, 20685, 21840, 22064, 22295, 23640, 25480, 25610, 26754, 27440, 27580, 28959, 30576, 30732, 33096, 35672, 35854, 38220, 38415, 38612, 40976, 41160, 41370, 44590, 47280, 48265, 50960, 51220, 53508, 53781, 55160, 57918, 61464, 66192, 66885, 67571, 71344, 71708, 76440, 76830, 77224, 82320, 82740, 89180, 89635, 96530, 102440, 107016, 107562, 110320, 115836, 122928, 125489, 133770, 135142, 143416, 144795, 152880, 153660, 154448, 165480, 178360, 179270, 193060, 202713, 204880, 214032, 215124, 231672, 250978, 267540, 268905, 270284, 286832, 289590, 307320, 330960, 337855, 356720, 358540, 376467, 386120, 405426, 430248, 463344, 501956, 535080, 537810, 540568, 579180, 614640, 627445, 675710, 717080, 752934, 772240, 810852, 860496, 878423, 1003912, 1013565, 1070160, 1075620, 1081136, 1158360, 1254890, 1351420, 1434160, 1505868, 1621704, 1756846, 1882335, 2007824, 2027130, 2151240, 2316720, 2509780, 2635269, 2702840, 3011736, 3243408, 3513692, 3764670, 4054260, 4302480, 4392115, 5019560, 5270538, 5405680, 6023472, 7027384, 7529340, 8108520, 8784230, 10039120, 10541076, 13176345, 14054768, 15058680, 16217040, 17568460, 21082152, 26352690, 30117360, 35136920, 42164304, 52705380, 70273840, 105410760, 210821520]

約数ペア:

[(1, 210821520), (2, 105410760), (3, 70273840), (4, 52705380), (5, 42164304), (6, 35136920), (7, 30117360), (8, 26352690), (10, 21082152), (12, 17568460), (13, 16217040), (14, 15058680), (15, 14054768), (16, 13176345), (20, 10541076), (21, 10039120), (24, 8784230), (26, 8108520), (28, 7529340), (30, 7027384), (35, 6023472), (39, 5405680), (40, 5270538), (42, 5019560), (48, 4392115), (49, 4302480), (52, 4054260), (56, 3764670), (60, 3513692), (65, 3243408), (70, 3011736), (78, 2702840), (80, 2635269), (84, 2509780), (91, 2316720), (98, 2151240), (104, 2027130), (105, 2007824), (112, 1882335), (120, 1756846), (130, 1621704), (140, 1505868), (147, 1434160), (156, 1351420), (168, 1254890), (182, 1158360), (195, 1081136), (196, 1075620), (197, 1070160), (208, 1013565), (210, 1003912), (240, 878423), (245, 860496), (260, 810852), (273, 772240), (280, 752934), (294, 717080), (312, 675710), (336, 627445), (343, 614640), (364, 579180), (390, 540568), (392, 537810), (394, 535080), (420, 501956), (455, 463344), (490, 430248), (520, 405426), (546, 386120), (560, 376467), (588, 358540), (591, 356720), (624, 337855), (637, 330960), (686, 307320), (728, 289590), (735, 286832), (780, 270284), (784, 268905), (788, 267540), (840, 250978), (910, 231672), (980, 215124), (985, 214032), (1029, 204880), (1040, 202713), (1092, 193060), (1176, 179270), (1182, 178360), (1274, 165480), (1365, 154448), (1372, 153660), (1379, 152880), (1456, 144795), (1470, 143416), (1560, 135142), (1576, 133770), (1680, 125489), (1715, 122928), (1820, 115836), (1911, 110320), (1960, 107562), (1970, 107016), (2058, 102440), (2184, 96530), (2352, 89635), (2364, 89180), (2548, 82740), (2561, 82320), (2730, 77224), (2744, 76830), (2758, 76440), (2940, 71708), (2955, 71344), (3120, 67571), (3152, 66885), (3185, 66192), (3430, 61464), (3640, 57918), (3822, 55160), (3920, 53781), (3940, 53508), (4116, 51220), (4137, 50960), (4368, 48265), (4459, 47280), (4728, 44590), (5096, 41370), (5122, 41160), (5145, 40976), (5460, 38612), (5488, 38415), (5516, 38220), (5880, 35854), (5910, 35672), (6370, 33096), (6860, 30732), (6895, 30576), (7280, 28959), (7644, 27580), (7683, 27440), (7880, 26754), (8232, 25610), (8274, 25480), (8918, 23640), (9456, 22295), (9555, 22064), (9653, 21840), (10192, 20685), (10244, 20580), (10290, 20488), (10920, 19306), (11032, 19110), (11760, 17927), (11820, 17836), (12740, 16548), (12805, 16464), (13377, 15760), (13720, 15366), (13790, 15288)]