261570288

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8747}}^1$

素因数の和:8854

約数の個数: 80

約数和(自身を含む): 781021440

約数和(自身を除く): 519451152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 89, 112, 168, 178, 267, 336, 356, 534, 623, 712, 1068, 1246, 1424, 1869, 2136, 2492, 3738, 4272, 4984, 7476, 8747, 9968, 14952, 17494, 26241, 29904, 34988, 52482, 61229, 69976, 104964, 122458, 139952, 183687, 209928, 244916, 367374, 419856, 489832, 734748, 778483, 979664, 1469496, 1556966, 2335449, 2938992, 3113932, 4670898, 5449381, 6227864, 9341796, 10898762, 12455728, 16348143, 18683592, 21797524, 32696286, 37367184, 43595048, 65392572, 87190096, 130785144, 261570288]

約数ペア:

[(1, 261570288), (2, 130785144), (3, 87190096), (4, 65392572), (6, 43595048), (7, 37367184), (8, 32696286), (12, 21797524), (14, 18683592), (16, 16348143), (21, 12455728), (24, 10898762), (28, 9341796), (42, 6227864), (48, 5449381), (56, 4670898), (84, 3113932), (89, 2938992), (112, 2335449), (168, 1556966), (178, 1469496), (267, 979664), (336, 778483), (356, 734748), (534, 489832), (623, 419856), (712, 367374), (1068, 244916), (1246, 209928), (1424, 183687), (1869, 139952), (2136, 122458), (2492, 104964), (3738, 69976), (4272, 61229), (4984, 52482), (7476, 34988), (8747, 29904), (9968, 26241), (14952, 17494)]