19906951680

素因数分解:

$2^9\times 3^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 960

約数和(自身を含む): 88092576000

約数和(自身を除く): 68185624320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 55, 56, 60, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 96, 98, 99, 105, 110, 112, 120, 126, 128, 132, 140, 144, 147, 154, 160, 165, 168, 176, 180, 192, 196, 198, 210, 220, 224, 229, 231, 240, 245, 252, 256, 264, 280, 288, 294, 308, 315, 320, 330, 336, 343, 352, 360, 384, 385, 392, 396, 420, 440, 441, 448, 458, 462, 480, 490, 495, 504, 512, 528, 539, 560, 576, 588, 616, 630, 640, 660, 672, 686, 687, 693, 704, 720, 735, 768, 770, 784, 792, 840, 880, 882, 896, 916, 924, 960, 980, 990, 1008, 1029, 1056, 1078, 1120, 1145, 1152, 1155, 1176, 1232, 1260, 1280, 1320, 1344, 1372, 1374, 1386, 1408, 1440, 1470, 1536, 1540, 1568, 1584, 1603, 1617, 1680, 1715, 1760, 1764, 1792, 1832, 1848, 1920, 1960, 1980, 2016, 2058, 2061, 2112, 2156, 2205, 2240, 2290, 2304, 2310, 2352, 2464, 2519, 2520, 2560, 2640, 2688, 2695, 2744, 2748, 2772, 2816, 2880, 2940, 3080, 3087, 3136, 3168, 3206, 3234, 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21732480, 22217580, 22570240, 22621536, 23698752, 25135040, 25391520, 25853184, 25920510, 27084288, 27648544, 28276920, 28725760, 28976640, 29018880, 29623440, 30162048, 31104612, 31598336, 32316480, 33855360, 34560680, 35548128, 36933120, 37702560, 38880765, 39497920, 40216064, 40626432, 41472816, 43088640, 43464960, 44435160, 45140480, 45243072, 47397504, 50270080, 50783040, 51706368, 51841020, 55297088, 56553840, 58037760, 59246880, 60324096, 62209224, 63196672, 64632960, 67710720, 69121360, 71096256, 75405120, 77761530, 78995840, 81252864, 82945632, 86177280, 86929920, 88870320, 90486144, 94795008, 100540160, 101566080, 103682040, 110594176, 113107680, 118493760, 120648192, 124418448, 129265920, 135421440, 138242720, 142192512, 150810240, 155523060, 157991680, 165891264, 177740640, 180972288, 189590016, 201080320, 203132160, 207364080, 221188352, 226215360, 236987520, 248836896, 258531840, 276485440, 284385024, 301620480, 311046120, 315983360, 331782528, 355481280, 361944576, 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約数ペア:

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(113190, 175872), (113355, 175616), (115416, 172480), (117248, 169785), (118272, 168315), (120736, 164880), (120912, 164640), (123431, 161280), (123480, 161216), (125440, 158697), (126720, 157094), (128240, 155232), (129360, 153888), (131712, 151140), (131904, 150920), (134652, 147840), (135828, 146560), (137984, 144270), (141064, 141120)]