261914784

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 756713664

約数和(自身を除く): 494798880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 68, 93, 96, 102, 124, 136, 167, 186, 204, 248, 272, 334, 372, 408, 496, 501, 527, 544, 668, 744, 816, 961, 992, 1002, 1054, 1336, 1488, 1581, 1632, 1922, 2004, 2108, 2672, 2839, 2883, 2976, 3162, 3844, 4008, 4216, 5177, 5344, 5678, 5766, 6324, 7688, 8016, 8432, 8517, 10354, 11356, 11532, 12648, 15376, 15531, 16032, 16337, 16864, 17034, 20708, 22712, 23064, 25296, 30752, 31062, 32674, 34068, 41416, 45424, 46128, 49011, 50592, 62124, 65348, 68136, 82832, 88009, 90848, 92256, 98022, 124248, 130696, 136272, 160487, 165664, 176018, 196044, 248496, 261392, 264027, 272544, 320974, 352036, 392088, 481461, 496992, 522784, 528054, 641948, 704072, 784176, 962922, 1056108, 1283896, 1408144, 1568352, 1925844, 2112216, 2567792, 2728279, 2816288, 3851688, 4224432, 5135584, 5456558, 7703376, 8184837, 8448864, 10913116, 15406752, 16369674, 21826232, 32739348, 43652464, 65478696, 87304928, 130957392, 261914784]

約数ペア:

[(1, 261914784), (2, 130957392), (3, 87304928), (4, 65478696), (6, 43652464), (8, 32739348), (12, 21826232), (16, 16369674), (17, 15406752), (24, 10913116), (31, 8448864), (32, 8184837), (34, 7703376), (48, 5456558), (51, 5135584), (62, 4224432), (68, 3851688), (93, 2816288), (96, 2728279), (102, 2567792), (124, 2112216), (136, 1925844), (167, 1568352), (186, 1408144), (204, 1283896), (248, 1056108), (272, 962922), (334, 784176), (372, 704072), (408, 641948), (496, 528054), (501, 522784), (527, 496992), (544, 481461), (668, 392088), (744, 352036), (816, 320974), (961, 272544), (992, 264027), (1002, 261392), (1054, 248496), (1336, 196044), (1488, 176018), (1581, 165664), (1632, 160487), (1922, 136272), (2004, 130696), (2108, 124248), (2672, 98022), (2839, 92256), (2883, 90848), (2976, 88009), (3162, 82832), (3844, 68136), (4008, 65348), (4216, 62124), (5177, 50592), (5344, 49011), (5678, 46128), (5766, 45424), (6324, 41416), (7688, 34068), (8016, 32674), (8432, 31062), (8517, 30752), (10354, 25296), (11356, 23064), (11532, 22712), (12648, 20708), (15376, 17034), (15531, 16864), (16032, 16337)]