2181938209920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{8741}}^1$

素因数の和:8965

約数の個数: 768

約数和(自身を含む): 8880316623360

約数和(自身を除く): 6698378413440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 41, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 82, 84, 90, 96, 105, 112, 120, 123, 126, 128, 140, 144, 151, 160, 164, 168, 180, 192, 205, 210, 224, 240, 246, 252, 280, 287, 288, 302, 315, 320, 328, 336, 360, 369, 384, 410, 420, 448, 453, 480, 492, 504, 560, 574, 576, 604, 615, 630, 640, 656, 672, 720, 738, 755, 820, 840, 861, 896, 906, 960, 984, 1008, 1057, 1120, 1148, 1152, 1208, 1230, 1260, 1312, 1344, 1359, 1435, 1440, 1476, 1510, 1640, 1680, 1722, 1812, 1845, 1920, 1968, 2016, 2114, 2240, 2265, 2296, 2416, 2460, 2520, 2583, 2624, 2688, 2718, 2870, 2880, 2952, 3020, 3171, 3280, 3360, 3444, 3624, 3690, 3936, 4032, 4228, 4305, 4480, 4530, 4592, 4832, 4920, 5040, 5166, 5248, 5285, 5436, 5740, 5760, 5904, 6040, 6191, 6342, 6560, 6720, 6795, 6888, 7248, 7380, 7872, 8064, 8456, 8610, 8741, 9060, 9184, 9513, 9664, 9840, 10080, 10332, 10570, 10872, 11480, 11808, 12080, 12382, 12684, 12915, 13120, 13440, 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58739520, 59395095, 60208008, 62405280, 63354768, 64508580, 68809152, 70487424, 73913896, 75260010, 79193460, 80277344, 83153133, 83207040, 84473024, 86011440, 88109280, 90312012, 92392370, 95032152, 100346680, 103213728, 105591280, 108231062, 110870844, 112890015, 114681920, 117479040, 118790190, 120416016, 124810560, 126709536, 129017160, 137618304, 138588555, 147827792, 150520020, 158386920, 160554688, 162346593, 166306266, 168946048, 172022880, 176218560, 180624024, 184784740, 190064304, 200693360, 206427456, 211182560, 216462124, 221741688, 225780030, 229363840, 237580380, 240832032, 249621120, 253419072, 258034320, 270577655, 277177110, 295655584, 301040040, 316773840, 321109376, 324693186, 332612532, 344045760, 352437120, 361248048, 369569480, 378808717, 380128608, 401386720, 412854912, 415765665, 422365120, 432924248, 443483376, 451560060, 475160760, 481664064, 487039779, 506838144, 516068640, 541155310, 554354220, 591311168, 602080080, 633547680, 649386372, 665225064, 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約数ペア:

[(1, 2181938209920), (2, 1090969104960), (3, 727312736640), (4, 545484552480), (5, 436387641984), (6, 363656368320), (7, 311705458560), (8, 272742276240), (9, 242437578880), (10, 218193820992), (12, 181828184160), (14, 155852729280), (15, 145462547328), (16, 136371138120), (18, 121218789440), (20, 109096910496), (21, 103901819520), (24, 90914092080), (28, 77926364640), (30, 72731273664), (32, 68185569060), (35, 62341091712), (36, 60609394720), (40, 54548455248), (41, 53218005120), (42, 51950909760), (45, 48487515776), (48, 45457046040), (56, 38963182320), (60, 36365636832), (63, 34633939840), (64, 34092784530), (70, 31170545856), (72, 30304697360), (80, 27274227624), (82, 26609002560), (84, 25975454880), (90, 24243757888), (96, 22728523020), (105, 20780363904), (112, 19481591160), (120, 18182818416), (123, 17739335040), (126, 17316969920), (128, 17046392265), (140, 15585272928), (144, 15152348680), (151, 14449921920), (160, 13637113812), (164, 13304501280), (168, 12987727440), (180, 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