20197890720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:857

約数の個数: 576

約数和(自身を含む): 83555297280

約数和(自身を除く): 63357406560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 163, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 326, 336, 342, 360, 380, 399, 420, 456, 480, 489, 504, 532, 560, 570, 608, 630, 647, 652, 665, 672, 684, 720, 760, 798, 815, 840, 855, 912, 978, 1008, 1064, 1120, 1140, 1141, 1197, 1260, 1294, 1304, 1330, 1368, 1440, 1467, 1520, 1596, 1630, 1680, 1710, 1824, 1941, 1956, 1995, 2016, 2128, 2280, 2282, 2394, 2445, 2520, 2588, 2608, 2660, 2736, 2934, 3040, 3097, 3192, 3235, 3260, 3360, 3420, 3423, 3882, 3912, 3990, 4256, 4529, 4560, 4564, 4788, 4890, 5040, 5176, 5216, 5320, 5472, 5705, 5823, 5868, 5985, 6194, 6384, 6470, 6520, 6840, 6846, 7335, 7764, 7824, 7980, 9058, 9120, 9128, 9291, 9576, 9705, 9780, 10080, 10269, 10352, 10640, 11410, 11646, 11736, 11970, 12293, 12388, 12768, 12940, 13040, 13587, 13680, 13692, 14670, 15485, 15528, 15648, 15960, 17115, 18116, 18256, 18582, 19152, 19410, 19560, 20538, 20704, 21280, 21679, 22645, 22820, 23292, 23472, 23940, 24586, 24776, 25880, 26080, 27174, 27360, 27384, 27873, 29115, 29340, 30970, 31056, 31920, 34230, 36232, 36512, 36879, 37164, 38304, 38820, 39120, 40761, 41076, 43358, 45290, 45640, 46455, 46584, 46944, 47880, 49172, 49552, 51345, 51760, 54348, 54768, 55746, 58230, 58680, 61465, 61940, 62112, 63840, 65037, 67935, 68460, 72464, 73758, 74328, 77640, 78240, 81522, 82152, 86051, 86716, 90580, 91280, 92910, 93168, 95760, 98344, 99104, 102690, 103520, 105461, 108395, 108696, 109536, 110637, 111492, 116460, 117360, 122930, 123880, 130074, 135870, 136920, 139365, 144928, 147516, 148656, 155280, 163044, 164304, 172102, 173432, 181160, 182560, 184395, 185820, 186336, 191520, 195111, 196688, 203805, 205380, 210922, 216790, 217392, 221274, 222984, 232920, 234720, 245860, 247760, 258153, 260148, 271740, 273840, 278730, 295032, 297312, 310560, 316383, 325185, 326088, 328608, 344204, 346864, 362320, 368790, 371640, 390222, 393376, 407610, 410760, 421844, 430255, 433580, 434784, 442548, 445968, 465840, 491720, 495520, 516306, 520296, 527305, 543480, 547680, 553185, 557460, 590064, 632766, 650370, 652176, 688408, 693728, 724640, 737580, 738227, 743280, 774459, 780444, 815220, 821520, 843688, 860510, 867160, 885096, 891936, 931680, 949149, 975555, 983440, 1032612, 1040592, 1054610, 1086960, 1106370, 1114920, 1180128, 1265532, 1290765, 1300740, 1304352, 1376816, 1475160, 1476454, 1486560, 1548918, 1560888, 1581915, 1630440, 1643040, 1687376, 1721020, 1734320, 1770192, 1898298, 1951110, 1966880, 2003759, 2065224, 2081184, 2109220, 2173920, 2212740, 2214681, 2229840, 2531064, 2581530, 2601480, 2753632, 2950320, 2952908, 3097836, 3121776, 3163830, 3260880, 3374752, 3442040, 3468640, 3540384, 3691135, 3796596, 3872295, 3902220, 4007518, 4130448, 4218440, 4425480, 4429362, 4459680, 4745745, 5062128, 5163060, 5202960, 5900640, 5905816, 6011277, 6195672, 6243552, 6327660, 6521760, 6644043, 6884080, 7382270, 7593192, 7744590, 7804440, 8015036, 8260896, 8436880, 8850960, 8858724, 9491490, 10018795, 10124256, 10326120, 10405920, 11073405, 11811632, 12022554, 12391344, 12655320, 13288086, 13768160, 14026313, 14764540, 15186384, 15489180, 15608880, 16030072, 16873760, 17701920, 17717448, 18033831, 18982980, 20037590, 20652240, 22146810, 23623264, 24045108, 24782688, 25310640, 26576172, 28052626, 29529080, 30056385, 30372768, 30978360, 31217760, 32060144, 33220215, 35434896, 36067662, 37965960, 40075180, 41304480, 42078939, 44293620, 48090216, 50621280, 53152344, 56105252, 59058160, 60112770, 61956720, 64120288, 66440430, 70131565, 70869792, 72135324, 75931920, 80150360, 84157878, 88587240, 90169155, 96180432, 106304688, 112210504, 118116320, 120225540, 123913440, 126236817, 132880860, 140263130, 144270648, 151863840, 160300720, 168315756, 177174480, 180338310, 192360864, 210394695, 212609376, 224421008, 240451080, 252473634, 265761720, 280526260, 288541296, 320601440, 336631512, 354348960, 360676620, 420789390, 448842016, 480902160, 504947268, 531523440, 561052520, 577082592, 631184085, 673263024, 721353240, 841578780, 961804320, 1009894536, 1063046880, 1122105040, 1262368170, 1346526048, 1442706480, 1683157560, 2019789072, 2244210080, 2524736340, 2885412960, 3366315120, 4039578144, 5049472680, 6732630240, 10098945360, 20197890720]

約数ペア:

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