1260890305920

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3947}}^1$

素因数の和:4140

約数の個数: 1024

約数和(自身を含む): 5412234240000

約数和(自身を除く): 4151343934080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 139, 140, 144, 152, 160, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 252, 266, 270, 278, 280, 285, 288, 304, 315, 320, 336, 342, 360, 378, 380, 384, 399, 417, 420, 432, 448, 456, 480, 504, 513, 532, 540, 556, 560, 570, 576, 608, 630, 640, 665, 672, 684, 695, 720, 756, 760, 798, 834, 840, 855, 864, 896, 912, 945, 960, 973, 1008, 1026, 1064, 1080, 1112, 1120, 1140, 1152, 1197, 1216, 1251, 1260, 1330, 1344, 1368, 1390, 1440, 1512, 1520, 1596, 1668, 1680, 1710, 1728, 1824, 1890, 1920, 1946, 1995, 2016, 2052, 2085, 2128, 2160, 2224, 2240, 2280, 2394, 2432, 2502, 2520, 2565, 2641, 2660, 2688, 2736, 2780, 2880, 2919, 3024, 3040, 3192, 3336, 3360, 3420, 3456, 3591, 3648, 3753, 3780, 3892, 3947, 3990, 4032, 4104, 4170, 4256, 4320, 4448, 4480, 4560, 4788, 4865, 5004, 5040, 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約数ペア:

[(1, 1260890305920), (2, 630445152960), (3, 420296768640), (4, 315222576480), (5, 252178061184), (6, 210148384320), (7, 180127186560), (8, 157611288240), (9, 140098922880), (10, 126089030592), (12, 105074192160), (14, 90063593280), (15, 84059353728), (16, 78805644120), (18, 70049461440), (19, 66362647680), (20, 63044515296), (21, 60042395520), (24, 52537096080), (27, 46699640960), (28, 45031796640), (30, 42029676864), (32, 39402822060), (35, 36025437312), (36, 35024730720), (38, 33181323840), (40, 31522257648), (42, 30021197760), (45, 28019784576), (48, 26268548040), (54, 23349820480), (56, 22515898320), (57, 22120882560), (60, 21014838432), (63, 20014131840), (64, 19701411030), (70, 18012718656), (72, 17512365360), (76, 16590661920), (80, 15761128824), (84, 15010598880), (90, 14009892288), (95, 13272529536), (96, 13134274020), (105, 12008479104), (108, 11674910240), (112, 11257949160), (114, 11060441280), (120, 10507419216), (126, 10007065920), (128, 9850705515), (133, 9480378240), 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