1621456128

素因数分解:

$2^8\times 3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 216

約数和(自身を含む): 4843544160

約数和(自身を除く): 3222088032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 83, 96, 122, 128, 139, 144, 166, 183, 192, 244, 249, 256, 278, 288, 332, 366, 384, 417, 488, 498, 549, 556, 576, 664, 732, 747, 768, 834, 976, 996, 1098, 1112, 1152, 1251, 1328, 1464, 1494, 1668, 1952, 1992, 2196, 2224, 2304, 2502, 2656, 2928, 2988, 3336, 3904, 3984, 4392, 4448, 5004, 5063, 5312, 5856, 5976, 6672, 7808, 7968, 8479, 8784, 8896, 10008, 10126, 10624, 11537, 11712, 11952, 13344, 15189, 15616, 15936, 16958, 17568, 17792, 20016, 20252, 21248, 23074, 23424, 23904, 25437, 26688, 30378, 31872, 33916, 34611, 35136, 35584, 40032, 40504, 45567, 46148, 46848, 47808, 50874, 53376, 60756, 63744, 67832, 69222, 70272, 76311, 80064, 81008, 91134, 92296, 95616, 101748, 103833, 106752, 121512, 135664, 138444, 140544, 152622, 160128, 162016, 182268, 184592, 191232, 203496, 207666, 243024, 271328, 276888, 305244, 320256, 324032, 364536, 369184, 406992, 415332, 486048, 542656, 553776, 610488, 648064, 703757, 729072, 738368, 813984, 830664, 972096, 1085312, 1107552, 1220976, 1296128, 1407514, 1458144, 1476736, 1627968, 1661328, 1944192, 2111271, 2170624, 2215104, 2441952, 2815028, 2916288, 2953472, 3255936, 3322656, 3888384, 4222542, 4430208, 4883904, 5630056, 5832576, 6333813, 6511872, 6645312, 8445084, 8860416, 9767808, 11260112, 11665152, 12667626, 13290624, 16890168, 19535616, 22520224, 25335252, 26581248, 33780336, 45040448, 50670504, 67560672, 90080896, 101341008, 135121344, 180161792, 202682016, 270242688, 405364032, 540485376, 810728064, 1621456128]

約数ペア:

[(1, 1621456128), (2, 810728064), (3, 540485376), (4, 405364032), (6, 270242688), (8, 202682016), (9, 180161792), (12, 135121344), (16, 101341008), (18, 90080896), (24, 67560672), (32, 50670504), (36, 45040448), (48, 33780336), (61, 26581248), (64, 25335252), (72, 22520224), (83, 19535616), (96, 16890168), (122, 13290624), (128, 12667626), (139, 11665152), (144, 11260112), (166, 9767808), (183, 8860416), (192, 8445084), (244, 6645312), (249, 6511872), (256, 6333813), (278, 5832576), (288, 5630056), (332, 4883904), (366, 4430208), (384, 4222542), (417, 3888384), (488, 3322656), (498, 3255936), (549, 2953472), (556, 2916288), (576, 2815028), (664, 2441952), (732, 2215104), (747, 2170624), (768, 2111271), (834, 1944192), (976, 1661328), (996, 1627968), (1098, 1476736), (1112, 1458144), (1152, 1407514), (1251, 1296128), (1328, 1220976), (1464, 1107552), (1494, 1085312), (1668, 972096), (1952, 830664), (1992, 813984), (2196, 738368), (2224, 729072), (2304, 703757), (2502, 648064), (2656, 610488), (2928, 553776), (2988, 542656), (3336, 486048), (3904, 415332), (3984, 406992), (4392, 369184), (4448, 364536), (5004, 324032), (5063, 320256), (5312, 305244), (5856, 276888), (5976, 271328), (6672, 243024), (7808, 207666), (7968, 203496), (8479, 191232), (8784, 184592), (8896, 182268), (10008, 162016), (10126, 160128), (10624, 152622), (11537, 140544), (11712, 138444), (11952, 135664), (13344, 121512), (15189, 106752), (15616, 103833), (15936, 101748), (16958, 95616), (17568, 92296), (17792, 91134), (20016, 81008), (20252, 80064), (21248, 76311), (23074, 70272), (23424, 69222), (23904, 67832), (25437, 63744), (26688, 60756), (30378, 53376), (31872, 50874), (33916, 47808), (34611, 46848), (35136, 46148), (35584, 45567), (40032, 40504)]