2781000668160

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7963}}^1$

素因数の和:8071

約数の個数: 1056

約数和(自身を含む): 11535773977728

約数和(自身を除く): 8754773309568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 32, 33, 36, 39, 40, 44, 45, 48, 52, 53, 55, 60, 64, 65, 66, 72, 78, 80, 88, 90, 96, 99, 104, 106, 110, 117, 120, 128, 130, 132, 143, 144, 156, 159, 160, 165, 176, 180, 192, 195, 198, 208, 212, 220, 234, 240, 256, 260, 264, 265, 286, 288, 312, 318, 320, 330, 352, 360, 384, 390, 396, 416, 424, 429, 440, 468, 477, 480, 495, 512, 520, 528, 530, 572, 576, 583, 585, 624, 636, 640, 660, 689, 704, 715, 720, 768, 780, 792, 795, 832, 848, 858, 880, 936, 954, 960, 990, 1024, 1040, 1056, 1060, 1144, 1152, 1166, 1170, 1248, 1272, 1280, 1287, 1320, 1378, 1408, 1430, 1440, 1536, 1560, 1584, 1590, 1664, 1696, 1716, 1749, 1760, 1872, 1908, 1920, 1980, 2067, 2080, 2112, 2120, 2145, 2288, 2304, 2332, 2340, 2385, 2496, 2544, 2560, 2574, 2640, 2756, 2816, 2860, 2880, 2915, 3072, 3120, 3168, 3180, 3328, 3392, 3432, 3445, 3498, 3520, 3744, 3816, 3840, 3960, 4134, 4160, 4224, 4240, 4290, 4576, 4608, 4664, 4680, 4770, 4992, 5088, 5120, 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約数ペア:

[(1, 2781000668160), (2, 1390500334080), (3, 927000222720), (4, 695250167040), (5, 556200133632), (6, 463500111360), (8, 347625083520), (9, 309000074240), (10, 278100066816), (11, 252818242560), (12, 231750055680), (13, 213923128320), (15, 185400044544), (16, 173812541760), (18, 154500037120), (20, 139050033408), (22, 126409121280), (24, 115875027840), (26, 106961564160), (30, 92700022272), (32, 86906270880), (33, 84272747520), (36, 77250018560), (39, 71307709440), (40, 69525016704), (44, 63204560640), (45, 61800014848), (48, 57937513920), (52, 53480782080), (53, 52471710720), (55, 50563648512), (60, 46350011136), (64, 43453135440), (65, 42784625664), (66, 42136373760), (72, 38625009280), (78, 35653854720), (80, 34762508352), (88, 31602280320), (90, 30900007424), (96, 28968756960), (99, 28090915840), (104, 26740391040), (106, 26235855360), (110, 25281824256), (117, 23769236480), (120, 23175005568), (128, 21726567720), (130, 21392312832), (132, 21068186880), (143, 19447557120), (144, 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