81979776

素因数分解:

$2^7\times 3^4\times {\mathrm{7907}}^1$

素因数の和:7933

約数の個数: 80

約数和(自身を含む): 244001340

約数和(自身を除く): 162021564

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 7907, 10368, 15814, 23721, 31628, 47442, 63256, 71163, 94884, 126512, 142326, 189768, 213489, 253024, 284652, 379536, 426978, 506048, 569304, 640467, 759072, 853956, 1012096, 1138608, 1280934, 1518144, 1707912, 2277216, 2561868, 3036288, 3415824, 4554432, 5123736, 6831648, 9108864, 10247472, 13663296, 20494944, 27326592, 40989888, 81979776]

約数ペア:

[(1, 81979776), (2, 40989888), (3, 27326592), (4, 20494944), (6, 13663296), (8, 10247472), (9, 9108864), (12, 6831648), (16, 5123736), (18, 4554432), (24, 3415824), (27, 3036288), (32, 2561868), (36, 2277216), (48, 1707912), (54, 1518144), (64, 1280934), (72, 1138608), (81, 1012096), (96, 853956), (108, 759072), (128, 640467), (144, 569304), (162, 506048), (192, 426978), (216, 379536), (288, 284652), (324, 253024), (384, 213489), (432, 189768), (576, 142326), (648, 126512), (864, 94884), (1152, 71163), (1296, 63256), (1728, 47442), (2592, 31628), (3456, 23721), (5184, 15814), (7907, 10368)]