256743144

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1280

約数の個数: 144

約数和(自身を含む): 822821220

約数和(自身を除く): 566078076

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 61, 63, 72, 84, 98, 122, 126, 147, 168, 183, 196, 244, 252, 294, 366, 392, 427, 441, 488, 504, 549, 588, 732, 854, 882, 1098, 1176, 1193, 1281, 1464, 1708, 1764, 2196, 2386, 2562, 2989, 3416, 3528, 3579, 3843, 4392, 4772, 5124, 5978, 7158, 7686, 8351, 8967, 9544, 10248, 10737, 11956, 14316, 15372, 16702, 17934, 21474, 23912, 25053, 26901, 28632, 30744, 33404, 35868, 42948, 50106, 53802, 58457, 66808, 71736, 72773, 75159, 85896, 100212, 107604, 116914, 145546, 150318, 175371, 200424, 215208, 218319, 233828, 291092, 300636, 350742, 436638, 467656, 509411, 526113, 582184, 601272, 654957, 701484, 873276, 1018822, 1052226, 1309914, 1402968, 1528233, 1746552, 2037644, 2104452, 2619828, 3056466, 3565877, 4075288, 4208904, 4584699, 5239656, 6112932, 7131754, 9169398, 10697631, 12225864, 14263508, 18338796, 21395262, 28527016, 32092893, 36677592, 42790524, 64185786, 85581048, 128371572, 256743144]

約数ペア:

[(1, 256743144), (2, 128371572), (3, 85581048), (4, 64185786), (6, 42790524), (7, 36677592), (8, 32092893), (9, 28527016), (12, 21395262), (14, 18338796), (18, 14263508), (21, 12225864), (24, 10697631), (28, 9169398), (36, 7131754), (42, 6112932), (49, 5239656), (56, 4584699), (61, 4208904), (63, 4075288), (72, 3565877), (84, 3056466), (98, 2619828), (122, 2104452), (126, 2037644), (147, 1746552), (168, 1528233), (183, 1402968), (196, 1309914), (244, 1052226), (252, 1018822), (294, 873276), (366, 701484), (392, 654957), (427, 601272), (441, 582184), (488, 526113), (504, 509411), (549, 467656), (588, 436638), (732, 350742), (854, 300636), (882, 291092), (1098, 233828), (1176, 218319), (1193, 215208), (1281, 200424), (1464, 175371), (1708, 150318), (1764, 145546), (2196, 116914), (2386, 107604), (2562, 100212), (2989, 85896), (3416, 75159), (3528, 72773), (3579, 71736), (3843, 66808), (4392, 58457), (4772, 53802), (5124, 50106), (5978, 42948), (7158, 35868), (7686, 33404), (8351, 30744), (8967, 28632), (9544, 26901), (10248, 25053), (10737, 23912), (11956, 21474), (14316, 17934), (15372, 16702)]