1984716407520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{82487}}^1$

素因数の和:82564

約数の個数: 864

約数和(自身を含む): 8872213948416

約数和(自身を除く): 6887497540896

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, 31, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 55, 56, 60, 62, 63, 66, 70, 72, 77, 80, 84, 88, 90, 93, 96, 98, 99, 105, 110, 112, 120, 124, 126, 132, 140, 144, 147, 154, 155, 160, 165, 168, 176, 180, 186, 196, 198, 210, 217, 220, 224, 231, 240, 245, 248, 252, 264, 279, 280, 288, 294, 308, 310, 315, 330, 336, 341, 352, 360, 372, 385, 392, 396, 420, 434, 440, 441, 462, 465, 480, 490, 495, 496, 504, 528, 539, 558, 560, 588, 616, 620, 630, 651, 660, 672, 682, 693, 720, 735, 744, 770, 784, 792, 840, 868, 880, 882, 924, 930, 980, 990, 992, 1008, 1023, 1056, 1078, 1085, 1116, 1120, 1155, 1176, 1232, 1240, 1260, 1302, 1320, 1364, 1386, 1395, 1440, 1470, 1488, 1519, 1540, 1568, 1584, 1617, 1680, 1705, 1736, 1760, 1764, 1848, 1860, 1953, 1960, 1980, 2016, 2046, 2156, 2170, 2205, 2232, 2310, 2352, 2387, 2464, 2480, 2520, 2604, 2640, 2695, 2728, 2772, 2790, 2940, 2976, 3038, 3069, 3080, 3168, 3234, 3255, 3360, 3410, 3465, 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約数ペア:

[(1, 1984716407520), (2, 992358203760), (3, 661572135840), (4, 496179101880), (5, 396943281504), (6, 330786067920), (7, 283530915360), (8, 248089550940), (9, 220524045280), (10, 198471640752), (11, 180428764320), (12, 165393033960), (14, 141765457680), (15, 132314427168), (16, 124044775470), (18, 110262022640), (20, 99235820376), (21, 94510305120), (22, 90214382160), (24, 82696516980), (28, 70882728840), (30, 66157213584), (31, 64023109920), (32, 62022387735), (33, 60142921440), (35, 56706183072), (36, 55131011320), (40, 49617910188), (42, 47255152560), (44, 45107191080), (45, 44104809056), (48, 41348258490), (49, 40504416480), (55, 36085752864), (56, 35441364420), (60, 33078606792), (62, 32011554960), (63, 31503435040), (66, 30071460720), (70, 28353091536), (72, 27565505660), (77, 25775537760), (80, 24808955094), (84, 23627576280), (88, 22553595540), (90, 22052404528), (93, 21341036640), (96, 20674129245), (98, 20252208240), (99, 20047640480), (105, 18902061024), (110, 18042876432), (112, 17720682210), (120, 16539303396), (124, 16005777480), (126, 15751717520), (132, 15035730360), (140, 14176545768), (144, 13782752830), (147, 13501472160), (154, 12887768880), (155, 12804621984), (160, 12404477547), (165, 12028584288), (168, 11813788140), (176, 11276797770), (180, 11026202264), (186, 10670518320), (196, 10126104120), (198, 10023820240), (210, 9451030512), (217, 9146158560), (220, 9021438216), (224, 8860341105), (231, 8591845920), (240, 8269651698), (245, 8100883296), (248, 8002888740), (252, 7875858760), (264, 7517865180), (279, 7113678880), (280, 7088272884), (288, 6891376415), (294, 6750736080), (308, 6443884440), (310, 6402310992), (315, 6300687008), (330, 6014292144), (336, 5906894070), (341, 5820282720), (352, 5638398885), (360, 5513101132), (372, 5335259160), (385, 5155107552), (392, 5063052060), (396, 5011910120), (420, 4725515256), (434, 4573079280), (440, 4510719108), (441, 4500490720), (462, 4295922960), (465, 4268207328), (480, 4134825849), (490, 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(668360, 2969532), (687456, 2887045), (729120, 2722071), (742383, 2673440), (751905, 2639584), (776160, 2557097), (802032, 2474610), (824870, 2406096), (859320, 2309636), (907357, 2187360), (989844, 2005080), (1002540, 1979688), (1093680, 1814714), (1145760, 1732227), (1154818, 1718640), (1203048, 1649740), (1237305, 1604064), (1319792, 1503810), (1336720, 1484766)]