666726144

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{2531}}^1$

素因数の和:2571

約数の個数: 144

約数和(自身を含む): 2070163200

約数和(自身を除く): 1403437056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 343, 384, 392, 448, 588, 672, 686, 768, 784, 896, 1029, 1176, 1344, 1372, 1568, 1792, 2058, 2352, 2531, 2688, 2744, 3136, 4116, 4704, 5062, 5376, 5488, 6272, 7593, 8232, 9408, 10124, 10976, 12544, 15186, 16464, 17717, 18816, 20248, 21952, 30372, 32928, 35434, 37632, 40496, 43904, 53151, 60744, 65856, 70868, 80992, 87808, 106302, 121488, 124019, 131712, 141736, 161984, 212604, 242976, 248038, 263424, 283472, 323968, 372057, 425208, 485952, 496076, 566944, 647936, 744114, 850416, 868133, 971904, 992152, 1133888, 1488228, 1700832, 1736266, 1943808, 1984304, 2267776, 2604399, 2976456, 3401664, 3472532, 3968608, 4535552, 5208798, 5952912, 6803328, 6945064, 7937216, 10417596, 11905824, 13606656, 13890128, 15874432, 20835192, 23811648, 27780256, 31748864, 41670384, 47623296, 55560512, 83340768, 95246592, 111121024, 166681536, 222242048, 333363072, 666726144]

約数ペア:

[(1, 666726144), (2, 333363072), (3, 222242048), (4, 166681536), (6, 111121024), (7, 95246592), (8, 83340768), (12, 55560512), (14, 47623296), (16, 41670384), (21, 31748864), (24, 27780256), (28, 23811648), (32, 20835192), (42, 15874432), (48, 13890128), (49, 13606656), (56, 11905824), (64, 10417596), (84, 7937216), (96, 6945064), (98, 6803328), (112, 5952912), (128, 5208798), (147, 4535552), (168, 3968608), (192, 3472532), (196, 3401664), (224, 2976456), (256, 2604399), (294, 2267776), (336, 1984304), (343, 1943808), (384, 1736266), (392, 1700832), (448, 1488228), (588, 1133888), (672, 992152), (686, 971904), (768, 868133), (784, 850416), (896, 744114), (1029, 647936), (1176, 566944), (1344, 496076), (1372, 485952), (1568, 425208), (1792, 372057), (2058, 323968), (2352, 283472), (2531, 263424), (2688, 248038), (2744, 242976), (3136, 212604), (4116, 161984), (4704, 141736), (5062, 131712), (5376, 124019), (5488, 121488), (6272, 106302), (7593, 87808), (8232, 80992), (9408, 70868), (10124, 65856), (10976, 60744), (12544, 53151), (15186, 43904), (16464, 40496), (17717, 37632), (18816, 35434), (20248, 32928), (21952, 30372)]