20176755480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 640

約数和(自身を含む): 81314150400

約数和(自身を除く): 61137394920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 49, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 98, 105, 108, 120, 124, 126, 135, 140, 147, 155, 168, 180, 186, 189, 196, 210, 216, 217, 245, 248, 251, 252, 270, 279, 280, 294, 310, 315, 343, 360, 372, 378, 392, 420, 434, 441, 465, 490, 502, 504, 540, 558, 588, 620, 630, 651, 686, 735, 744, 753, 756, 837, 840, 868, 882, 930, 945, 980, 1004, 1029, 1080, 1085, 1116, 1176, 1240, 1255, 1260, 1302, 1323, 1372, 1395, 1470, 1506, 1512, 1519, 1674, 1715, 1736, 1757, 1764, 1860, 1890, 1953, 1960, 2008, 2058, 2170, 2205, 2232, 2259, 2401, 2510, 2520, 2604, 2646, 2744, 2790, 2940, 3012, 3038, 3087, 3255, 3348, 3430, 3514, 3528, 3720, 3765, 3780, 3906, 4116, 4185, 4340, 4410, 4518, 4557, 4802, 5020, 5145, 5208, 5271, 5292, 5580, 5859, 5880, 6024, 6076, 6174, 6510, 6615, 6696, 6777, 6860, 7028, 7203, 7530, 7560, 7595, 7781, 7812, 8232, 8370, 8680, 8785, 8820, 9036, 9114, 9261, 9604, 9765, 10040, 10290, 10542, 10584, 10633, 11160, 11295, 11718, 12005, 12152, 12299, 12348, 13020, 13230, 13554, 13671, 13720, 14056, 14406, 15060, 15190, 15435, 15562, 15624, 15813, 16740, 17570, 17640, 18072, 18228, 18522, 19208, 19530, 20580, 21084, 21266, 21609, 22590, 22785, 23343, 23436, 24010, 24598, 24696, 26040, 26355, 26460, 27108, 27342, 28812, 29295, 30120, 30380, 30870, 31124, 31626, 31899, 33480, 33885, 35140, 36015, 36456, 36897, 37044, 38905, 39060, 41013, 41160, 42168, 42532, 43218, 45180, 45570, 46305, 46686, 46872, 47439, 48020, 49196, 52710, 52920, 53165, 54216, 54467, 54684, 57624, 58590, 60760, 61495, 61740, 62248, 63252, 63798, 64827, 67770, 68355, 70029, 70280, 72030, 73794, 74088, 74431, 77810, 78120, 79065, 82026, 85064, 86093, 86436, 90360, 91140, 92610, 93372, 94878, 95697, 96040, 98392, 105420, 106330, 108045, 108934, 109368, 110691, 116715, 117180, 122990, 123480, 126504, 127596, 129654, 135540, 136710, 140058, 144060, 147588, 148862, 155620, 158130, 159495, 163401, 164052, 172186, 172872, 182280, 184485, 185220, 186744, 189756, 191394, 205065, 210087, 210840, 212660, 216090, 217868, 221382, 223293, 233430, 234360, 237195, 245980, 255192, 258279, 259308, 271080, 272335, 273420, 280116, 287091, 288120, 295176, 297724, 311240, 316260, 318990, 324135, 326802, 328104, 332073, 344372, 350145, 368970, 370440, 372155, 379512, 381269, 382788, 410130, 420174, 425320, 430465, 432180, 435736, 442764, 446586, 466860, 474390, 478485, 490203, 491960, 516558, 518616, 544670, 546840, 553455, 560232, 574182, 595448, 602651, 632520, 637980, 648270, 653604, 664146, 669879, 688744, 700290, 737940, 744310, 762538, 765576, 774837, 817005, 820260, 840348, 860930, 864360, 885528, 893172, 933720, 948780, 956970, 980406, 1033116, 1050435, 1089340, 1106910, 1116465, 1143807, 1148364, 1205302, 1275960, 1291395, 1296540, 1307208, 1328292, 1339758, 1400580, 1435455, 1470609, 1475880, 1488620, 1525076, 1549674, 1634010, 1640520, 1660365, 1680696, 1721860, 1786344, 1807953, 1897560, 1906345, 1913940, 1960812, 2009637, 2066232, 2100870, 2178680, 2213820, 2232930, 2287614, 2296728, 2324511, 2410604, 2451015, 2582790, 2593080, 2656584, 2668883, 2679516, 2801160, 2870910, 2941218, 2977240, 3013255, 3050152, 3099348, 3268020, 3320730, 3349395, 3431421, 3443720, 3615906, 3812690, 3827880, 3874185, 3921624, 4019274, 4201740, 4427640, 4465860, 4575228, 4649022, 4821208, 4902030, 5165580, 5337766, 5359032, 5423859, 5719035, 5741820, 5882436, 6026510, 6198696, 6536040, 6641460, 6698790, 6862842, 7231812, 7353045, 7625380, 7748370, 8006649, 8038548, 8403480, 8931720, 9039765, 9150456, 9298044, 9804060, 10048185, 10294263, 10331160, 10675532, 10847718, 11438070, 11483640, 11622555, 11764872, 12053020, 13282920, 13344415, 13397580, 13725684, 14463624, 14706090, 15250760, 15496740, 16013298, 16077096, 16271577, 17157105, 18079530, 18596088, 18682181, 19608120, 20096370, 20588526, 21351064, 21695436, 22876140, 23245110, 24019947, 24106040, 26688830, 26795160, 27119295, 27451368, 29412180, 30993480, 32026596, 32543154, 34314210, 36159060, 37364362, 40033245, 40192740, 41177052, 43390872, 45752280, 46490220, 48039894, 51471315, 53377660, 54238590, 56046543, 58824360, 64053192, 65086308, 68628420, 72059841, 72318120, 74728724, 80066490, 80385480, 81357885, 82354104, 92980440, 93410905, 96079788, 102942630, 106755320, 108477180, 112093086, 120099735, 130172616, 137256840, 144119682, 149457448, 160132980, 162715770, 168139629, 186821810, 192159576, 205885260, 216954360, 224186172, 240199470, 280232715, 288239364, 320265960, 325431540, 336279258, 360299205, 373643620, 411770520, 448372344, 480398940, 504418887, 560465430, 576478728, 650863080, 672558516, 720598410, 747287240, 840698145, 960797880, 1008837774, 1120930860, 1345117032, 1441196820, 1681396290, 2017675548, 2241861720, 2522094435, 2882393640, 3362792580, 4035351096, 5044188870, 6725585160, 10088377740, 20176755480]

約数ペア:

[(1, 20176755480), (2, 10088377740), (3, 6725585160), (4, 5044188870), (5, 4035351096), (6, 3362792580), (7, 2882393640), (8, 2522094435), (9, 2241861720), (10, 2017675548), (12, 1681396290), (14, 1441196820), (15, 1345117032), (18, 1120930860), (20, 1008837774), (21, 960797880), (24, 840698145), (27, 747287240), (28, 720598410), (30, 672558516), (31, 650863080), (35, 576478728), (36, 560465430), (40, 504418887), (42, 480398940), (45, 448372344), (49, 411770520), (54, 373643620), (56, 360299205), (60, 336279258), (62, 325431540), (63, 320265960), (70, 288239364), (72, 280232715), (84, 240199470), (90, 224186172), (93, 216954360), (98, 205885260), (105, 192159576), (108, 186821810), (120, 168139629), (124, 162715770), (126, 160132980), (135, 149457448), (140, 144119682), (147, 137256840), (155, 130172616), (168, 120099735), (180, 112093086), (186, 108477180), (189, 106755320), (196, 102942630), (210, 96079788), (216, 93410905), (217, 92980440), (245, 82354104), (248, 81357885), (251, 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(1757, 11483640), (1764, 11438070), (1860, 10847718), (1890, 10675532), (1953, 10331160), (1960, 10294263), (2008, 10048185), (2058, 9804060), (2170, 9298044), (2205, 9150456), (2232, 9039765), (2259, 8931720), (2401, 8403480), (2510, 8038548), (2520, 8006649), (2604, 7748370), (2646, 7625380), (2744, 7353045), (2790, 7231812), (2940, 6862842), (3012, 6698790), (3038, 6641460), (3087, 6536040), (3255, 6198696), (3348, 6026510), (3430, 5882436), (3514, 5741820), (3528, 5719035), (3720, 5423859), (3765, 5359032), (3780, 5337766), (3906, 5165580), (4116, 4902030), (4185, 4821208), (4340, 4649022), (4410, 4575228), (4518, 4465860), (4557, 4427640), (4802, 4201740), (5020, 4019274), (5145, 3921624), (5208, 3874185), (5271, 3827880), (5292, 3812690), (5580, 3615906), (5859, 3443720), (5880, 3431421), (6024, 3349395), (6076, 3320730), (6174, 3268020), (6510, 3099348), (6615, 3050152), (6696, 3013255), (6777, 2977240), (6860, 2941218), (7028, 2870910), (7203, 2801160), (7530, 2679516), (7560, 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