1990991520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 576

約数和(自身を含む): 8255520000

約数和(自身を除く): 6264528480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 96, 98, 105, 112, 116, 120, 126, 139, 140, 144, 145, 147, 160, 168, 174, 180, 196, 203, 210, 224, 232, 240, 245, 252, 261, 278, 280, 288, 290, 294, 315, 336, 343, 348, 360, 392, 406, 417, 420, 435, 441, 464, 480, 490, 504, 522, 556, 560, 580, 588, 609, 630, 672, 686, 695, 696, 720, 735, 784, 812, 834, 840, 870, 882, 928, 973, 980, 1008, 1015, 1029, 1044, 1112, 1120, 1160, 1176, 1218, 1251, 1260, 1305, 1372, 1390, 1392, 1421, 1440, 1470, 1568, 1624, 1668, 1680, 1715, 1740, 1764, 1827, 1946, 1960, 2016, 2030, 2058, 2085, 2088, 2205, 2224, 2320, 2352, 2436, 2502, 2520, 2610, 2744, 2780, 2784, 2842, 2919, 2940, 3045, 3087, 3248, 3336, 3360, 3430, 3480, 3528, 3654, 3892, 3920, 4031, 4060, 4116, 4170, 4176, 4263, 4410, 4448, 4640, 4704, 4865, 4872, 5004, 5040, 5145, 5220, 5488, 5560, 5684, 5838, 5880, 6090, 6174, 6255, 6496, 6672, 6811, 6860, 6960, 7056, 7105, 7308, 7784, 7840, 8062, 8120, 8232, 8340, 8352, 8526, 8757, 8820, 9135, 9730, 9744, 9947, 10008, 10080, 10290, 10440, 10976, 11120, 11368, 11676, 11760, 12093, 12180, 12348, 12510, 12789, 13344, 13622, 13720, 13920, 14112, 14210, 14595, 14616, 15435, 15568, 16124, 16240, 16464, 16680, 17052, 17514, 17640, 18270, 19460, 19488, 19894, 20016, 20155, 20433, 20580, 20880, 21315, 22240, 22736, 23352, 23520, 24186, 24360, 24696, 25020, 25578, 27244, 27440, 28217, 28420, 29190, 29232, 29841, 30870, 31136, 32248, 32480, 32928, 33360, 34055, 34104, 35028, 35280, 36279, 36540, 38920, 39788, 40032, 40310, 40866, 41160, 41760, 42630, 43785, 45472, 46704, 47677, 48372, 48720, 49392, 49735, 50040, 51156, 54488, 54880, 56434, 56840, 58380, 58464, 59682, 60465, 61299, 61740, 63945, 64496, 66720, 68110, 68208, 70056, 70560, 72558, 73080, 77840, 79576, 80620, 81732, 82320, 84651, 85260, 87570, 89523, 93408, 95354, 96744, 97440, 98784, 99470, 100080, 102165, 102312, 108976, 112868, 113680, 116760, 119364, 120930, 122598, 123480, 127890, 128992, 136220, 136416, 140112, 141085, 143031, 145116, 146160, 149205, 155680, 159152, 161240, 163464, 164640, 169302, 170520, 175140, 179046, 181395, 190708, 193488, 197519, 198940, 200160, 204330, 204624, 217952, 225736, 227360, 233520, 238385, 238728, 241860, 245196, 246960, 253953, 255780, 272440, 280224, 282170, 286062, 290232, 292320, 298410, 306495, 318304, 322480, 326928, 338604, 341040, 350280, 358092, 362790, 381416, 386976, 395038, 397880, 408660, 409248, 423255, 429093, 447615, 451472, 467040, 476770, 477456, 483720, 490392, 493920, 507906, 511560, 544880, 564340, 572124, 580464, 592557, 596820, 612990, 644960, 653856, 677208, 682080, 700560, 715155, 716184, 725580, 762832, 790076, 795760, 817320, 846510, 858186, 895230, 902944, 953540, 954912, 967440, 980784, 987595, 1015812, 1023120, 1089760, 1128680, 1144248, 1160928, 1185114, 1193640, 1225980, 1269765, 1354416, 1382633, 1401120, 1430310, 1432368, 1451160, 1525664, 1580152, 1591520, 1634640, 1693020, 1716372, 1777671, 1790460, 1907080, 1934880, 1961568, 1975190, 2031624, 2046240, 2145465, 2257360, 2288496, 2370228, 2387280, 2451960, 2539530, 2708832, 2765266, 2860620, 2864736, 2902320, 2962785, 3160304, 3269280, 3386040, 3432744, 3555342, 3580920, 3814160, 3950380, 4063248, 4147899, 4290930, 4514720, 4576992, 4740456, 4774560, 4903920, 5079060, 5530532, 5721240, 5804640, 5925570, 6320608, 6772080, 6865488, 6913165, 7110684, 7161840, 7628320, 7900760, 8126496, 8295798, 8581860, 8888355, 9480912, 9807840, 10158120, 11061064, 11442480, 11851140, 12443697, 13544160, 13730976, 13826330, 14221368, 14323680, 15801520, 16591596, 17163720, 17776710, 18961824, 20316240, 20739495, 22122128, 22884960, 23702280, 24887394, 27652660, 28442736, 31603040, 33183192, 34327440, 35553420, 40632480, 41478990, 44244256, 47404560, 49774788, 55305320, 56885472, 62218485, 66366384, 68654880, 71106840, 82957980, 94809120, 99549576, 110610640, 124436970, 132732768, 142213680, 165915960, 199099152, 221221280, 248873940, 284427360, 331831920, 398198304, 497747880, 663663840, 995495760, 1990991520]

約数ペア:

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