261303840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8641}}^1$

素因数の和:8672

約数の個数: 192

約数和(自身を含む): 1045336320

約数和(自身を除く): 784032480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8641, 10080, 15120, 17282, 25923, 30240, 34564, 43205, 51846, 60487, 69128, 77769, 86410, 103692, 120974, 129615, 138256, 155538, 172820, 181461, 207384, 233307, 241948, 259230, 276512, 302435, 311076, 345640, 362922, 388845, 414768, 466614, 483896, 518460, 544383, 604870, 622152, 691280, 725844, 777690, 829536, 907305, 933228, 967792, 1036920, 1088766, 1166535, 1209740, 1244304, 1382560, 1451688, 1555380, 1633149, 1814610, 1866456, 1935584, 2073840, 2177532, 2333070, 2419480, 2488608, 2721915, 2903376, 3110760, 3266298, 3629220, 3732912, 4147680, 4355064, 4666140, 4838960, 5443830, 5806752, 6221520, 6532596, 7258440, 7465824, 8165745, 8710128, 9332280, 9677920, 10887660, 12443040, 13065192, 14516880, 16331490, 17420256, 18664560, 21775320, 26130384, 29033760, 32662980, 37329120, 43550640, 52260768, 65325960, 87101280, 130651920, 261303840]

約数ペア:

[(1, 261303840), (2, 130651920), (3, 87101280), (4, 65325960), (5, 52260768), (6, 43550640), (7, 37329120), (8, 32662980), (9, 29033760), (10, 26130384), (12, 21775320), (14, 18664560), (15, 17420256), (16, 16331490), (18, 14516880), (20, 13065192), (21, 12443040), (24, 10887660), (27, 9677920), (28, 9332280), (30, 8710128), (32, 8165745), (35, 7465824), (36, 7258440), (40, 6532596), (42, 6221520), (45, 5806752), (48, 5443830), (54, 4838960), (56, 4666140), (60, 4355064), (63, 4147680), (70, 3732912), (72, 3629220), (80, 3266298), (84, 3110760), (90, 2903376), (96, 2721915), (105, 2488608), (108, 2419480), (112, 2333070), (120, 2177532), (126, 2073840), (135, 1935584), (140, 1866456), (144, 1814610), (160, 1633149), (168, 1555380), (180, 1451688), (189, 1382560), (210, 1244304), (216, 1209740), (224, 1166535), (240, 1088766), (252, 1036920), (270, 967792), (280, 933228), (288, 907305), (315, 829536), (336, 777690), (360, 725844), (378, 691280), (420, 622152), (432, 604870), (480, 544383), (504, 518460), (540, 483896), (560, 466614), (630, 414768), (672, 388845), (720, 362922), (756, 345640), (840, 311076), (864, 302435), (945, 276512), (1008, 259230), (1080, 241948), (1120, 233307), (1260, 207384), (1440, 181461), (1512, 172820), (1680, 155538), (1890, 138256), (2016, 129615), (2160, 120974), (2520, 103692), (3024, 86410), (3360, 77769), (3780, 69128), (4320, 60487), (5040, 51846), (6048, 43205), (7560, 34564), (8641, 30240), (10080, 25923), (15120, 17282)]