821297232

素因数分解:

$2^4\times 3^7\times 7^2\times {\mathrm{479}}^1$

素因数の和:522

約数の個数: 240

約数和(自身を含む): 2781964800

約数和(自身を除く): 1960667568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 336, 378, 392, 432, 441, 479, 486, 504, 567, 588, 648, 729, 756, 784, 882, 958, 972, 1008, 1134, 1176, 1296, 1323, 1437, 1458, 1512, 1701, 1764, 1916, 1944, 2187, 2268, 2352, 2646, 2874, 2916, 3024, 3353, 3402, 3528, 3832, 3888, 3969, 4311, 4374, 4536, 5103, 5292, 5748, 5832, 6706, 6804, 7056, 7664, 7938, 8622, 8748, 9072, 10059, 10206, 10584, 11496, 11664, 11907, 12933, 13412, 13608, 15309, 15876, 17244, 17496, 20118, 20412, 21168, 22992, 23471, 23814, 25866, 26824, 27216, 30177, 30618, 31752, 34488, 34992, 35721, 38799, 40236, 40824, 46942, 47628, 51732, 53648, 60354, 61236, 63504, 68976, 70413, 71442, 77598, 80472, 81648, 90531, 93884, 95256, 103464, 107163, 116397, 120708, 122472, 140826, 142884, 155196, 160944, 181062, 187768, 190512, 206928, 211239, 214326, 232794, 241416, 244944, 271593, 281652, 285768, 310392, 349191, 362124, 375536, 422478, 428652, 465588, 482832, 543186, 563304, 571536, 620784, 633717, 698382, 724248, 814779, 844956, 857304, 931176, 1047573, 1086372, 1126608, 1267434, 1396764, 1448496, 1629558, 1689912, 1714608, 1862352, 1901151, 2095146, 2172744, 2444337, 2534868, 2793528, 3259116, 3379824, 3802302, 4190292, 4345488, 4888674, 5069736, 5587056, 5703453, 6518232, 7333011, 7604604, 8380584, 9777348, 10139472, 11406906, 13036464, 14666022, 15209208, 16761168, 17110359, 19554696, 22813812, 29332044, 30418416, 34220718, 39109392, 45627624, 51331077, 58664088, 68441436, 91255248, 102662154, 117328176, 136882872, 205324308, 273765744, 410648616, 821297232]

約数ペア:

[(1, 821297232), (2, 410648616), (3, 273765744), (4, 205324308), (6, 136882872), (7, 117328176), (8, 102662154), (9, 91255248), (12, 68441436), (14, 58664088), (16, 51331077), (18, 45627624), (21, 39109392), (24, 34220718), (27, 30418416), (28, 29332044), (36, 22813812), (42, 19554696), (48, 17110359), (49, 16761168), (54, 15209208), (56, 14666022), (63, 13036464), (72, 11406906), (81, 10139472), (84, 9777348), (98, 8380584), (108, 7604604), (112, 7333011), (126, 6518232), (144, 5703453), (147, 5587056), (162, 5069736), (168, 4888674), (189, 4345488), (196, 4190292), (216, 3802302), (243, 3379824), (252, 3259116), (294, 2793528), (324, 2534868), (336, 2444337), (378, 2172744), (392, 2095146), (432, 1901151), (441, 1862352), (479, 1714608), (486, 1689912), (504, 1629558), (567, 1448496), (588, 1396764), (648, 1267434), (729, 1126608), (756, 1086372), (784, 1047573), (882, 931176), (958, 857304), (972, 844956), (1008, 814779), (1134, 724248), (1176, 698382), (1296, 633717), (1323, 620784), (1437, 571536), (1458, 563304), (1512, 543186), (1701, 482832), (1764, 465588), (1916, 428652), (1944, 422478), (2187, 375536), (2268, 362124), (2352, 349191), (2646, 310392), (2874, 285768), (2916, 281652), (3024, 271593), (3353, 244944), (3402, 241416), (3528, 232794), (3832, 214326), (3888, 211239), (3969, 206928), (4311, 190512), (4374, 187768), (4536, 181062), (5103, 160944), (5292, 155196), (5748, 142884), (5832, 140826), (6706, 122472), (6804, 120708), (7056, 116397), (7664, 107163), (7938, 103464), (8622, 95256), (8748, 93884), (9072, 90531), (10059, 81648), (10206, 80472), (10584, 77598), (11496, 71442), (11664, 70413), (11907, 68976), (12933, 63504), (13412, 61236), (13608, 60354), (15309, 53648), (15876, 51732), (17244, 47628), (17496, 46942), (20118, 40824), (20412, 40236), (21168, 38799), (22992, 35721), (23471, 34992), (23814, 34488), (25866, 31752), (26824, 30618), (27216, 30177)]