281161692

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 216

約数和(自身を含む): 890617728

約数和(自身を除く): 609456036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 43, 54, 62, 63, 81, 84, 86, 93, 108, 124, 126, 129, 162, 172, 186, 189, 217, 243, 252, 258, 279, 301, 324, 372, 378, 387, 434, 486, 516, 558, 567, 602, 651, 756, 774, 837, 868, 903, 961, 972, 1116, 1134, 1161, 1204, 1302, 1333, 1548, 1674, 1701, 1806, 1922, 1953, 2268, 2322, 2511, 2604, 2666, 2709, 2883, 3348, 3402, 3483, 3612, 3844, 3906, 3999, 4644, 5022, 5332, 5418, 5766, 5859, 6727, 6804, 6966, 7533, 7812, 7998, 8127, 8649, 9331, 10044, 10449, 10836, 11532, 11718, 11997, 13454, 13932, 15066, 15996, 16254, 17298, 17577, 18662, 20181, 20898, 23436, 23994, 24381, 25947, 26908, 27993, 30132, 32508, 34596, 35154, 35991, 37324, 40362, 41323, 41796, 47988, 48762, 51894, 52731, 55986, 60543, 70308, 71982, 73143, 77841, 80724, 82646, 83979, 97524, 103788, 105462, 107973, 111972, 121086, 123969, 143964, 146286, 155682, 165292, 167958, 181629, 210924, 215946, 233523, 242172, 247938, 251937, 289261, 292572, 311364, 323919, 335916, 363258, 371907, 431892, 467046, 495876, 503874, 544887, 578522, 647838, 726516, 743814, 755811, 867783, 934092, 1007748, 1089774, 1115721, 1157044, 1295676, 1487628, 1511622, 1634661, 1735566, 2179548, 2231442, 2267433, 2603349, 3023244, 3269322, 3347163, 3471132, 4462884, 4534866, 5206698, 6538644, 6694326, 7810047, 9069732, 10041489, 10413396, 13388652, 15620094, 20082978, 23430141, 31240188, 40165956, 46860282, 70290423, 93720564, 140580846, 281161692]

約数ペア:

[(1, 281161692), (2, 140580846), (3, 93720564), (4, 70290423), (6, 46860282), (7, 40165956), (9, 31240188), (12, 23430141), (14, 20082978), (18, 15620094), (21, 13388652), (27, 10413396), (28, 10041489), (31, 9069732), (36, 7810047), (42, 6694326), (43, 6538644), (54, 5206698), (62, 4534866), (63, 4462884), (81, 3471132), (84, 3347163), (86, 3269322), (93, 3023244), (108, 2603349), (124, 2267433), (126, 2231442), (129, 2179548), (162, 1735566), (172, 1634661), (186, 1511622), (189, 1487628), (217, 1295676), (243, 1157044), (252, 1115721), (258, 1089774), (279, 1007748), (301, 934092), (324, 867783), (372, 755811), (378, 743814), (387, 726516), (434, 647838), (486, 578522), (516, 544887), (558, 503874), (567, 495876), (602, 467046), (651, 431892), (756, 371907), (774, 363258), (837, 335916), (868, 323919), (903, 311364), (961, 292572), (972, 289261), (1116, 251937), (1134, 247938), (1161, 242172), (1204, 233523), (1302, 215946), (1333, 210924), (1548, 181629), (1674, 167958), (1701, 165292), (1806, 155682), (1922, 146286), (1953, 143964), (2268, 123969), (2322, 121086), (2511, 111972), (2604, 107973), (2666, 105462), (2709, 103788), (2883, 97524), (3348, 83979), (3402, 82646), (3483, 80724), (3612, 77841), (3844, 73143), (3906, 71982), (3999, 70308), (4644, 60543), (5022, 55986), (5332, 52731), (5418, 51894), (5766, 48762), (5859, 47988), (6727, 41796), (6804, 41323), (6966, 40362), (7533, 37324), (7812, 35991), (7998, 35154), (8127, 34596), (8649, 32508), (9331, 30132), (10044, 27993), (10449, 26908), (10836, 25947), (11532, 24381), (11718, 23994), (11997, 23436), (13454, 20898), (13932, 20181), (15066, 18662), (15996, 17577), (16254, 17298)]