81657216

素因数分解:

$2^7\times 3^2\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1064

約数の個数: 96

約数和(自身を含む): 238441320

約数和(自身を除く): 156784104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 73, 96, 128, 144, 146, 192, 219, 288, 292, 384, 438, 576, 584, 657, 876, 971, 1152, 1168, 1314, 1752, 1942, 2336, 2628, 2913, 3504, 3884, 4672, 5256, 5826, 7008, 7768, 8739, 9344, 10512, 11652, 14016, 15536, 17478, 21024, 23304, 28032, 31072, 34956, 42048, 46608, 62144, 69912, 70883, 84096, 93216, 124288, 139824, 141766, 186432, 212649, 279648, 283532, 372864, 425298, 559296, 567064, 637947, 850596, 1118592, 1134128, 1275894, 1701192, 2268256, 2551788, 3402384, 4536512, 5103576, 6804768, 9073024, 10207152, 13609536, 20414304, 27219072, 40828608, 81657216]

約数ペア:

[(1, 81657216), (2, 40828608), (3, 27219072), (4, 20414304), (6, 13609536), (8, 10207152), (9, 9073024), (12, 6804768), (16, 5103576), (18, 4536512), (24, 3402384), (32, 2551788), (36, 2268256), (48, 1701192), (64, 1275894), (72, 1134128), (73, 1118592), (96, 850596), (128, 637947), (144, 567064), (146, 559296), (192, 425298), (219, 372864), (288, 283532), (292, 279648), (384, 212649), (438, 186432), (576, 141766), (584, 139824), (657, 124288), (876, 93216), (971, 84096), (1152, 70883), (1168, 69912), (1314, 62144), (1752, 46608), (1942, 42048), (2336, 34956), (2628, 31072), (2913, 28032), (3504, 23304), (3884, 21024), (4672, 17478), (5256, 15536), (5826, 14016), (7008, 11652), (7768, 10512), (8739, 9344)]