31311648

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 96707520

約数和(自身を除く): 65395872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 29, 32, 36, 46, 48, 58, 69, 72, 87, 92, 96, 116, 138, 144, 163, 174, 184, 207, 232, 261, 276, 288, 326, 348, 368, 414, 464, 489, 522, 552, 652, 667, 696, 736, 828, 928, 978, 1044, 1104, 1304, 1334, 1392, 1467, 1656, 1956, 2001, 2088, 2208, 2608, 2668, 2784, 2934, 3312, 3749, 3912, 4002, 4176, 4727, 5216, 5336, 5868, 6003, 6624, 7498, 7824, 8004, 8352, 9454, 10672, 11247, 11736, 12006, 14181, 14996, 15648, 16008, 18908, 21344, 22494, 23472, 24012, 28362, 29992, 32016, 33741, 37816, 42543, 44988, 46944, 48024, 56724, 59984, 64032, 67482, 75632, 85086, 89976, 96048, 108721, 113448, 119968, 134964, 151264, 170172, 179952, 192096, 217442, 226896, 269928, 326163, 340344, 359904, 434884, 453792, 539856, 652326, 680688, 869768, 978489, 1079712, 1304652, 1361376, 1739536, 1956978, 2609304, 3479072, 3913956, 5218608, 7827912, 10437216, 15655824, 31311648]

約数ペア:

[(1, 31311648), (2, 15655824), (3, 10437216), (4, 7827912), (6, 5218608), (8, 3913956), (9, 3479072), (12, 2609304), (16, 1956978), (18, 1739536), (23, 1361376), (24, 1304652), (29, 1079712), (32, 978489), (36, 869768), (46, 680688), (48, 652326), (58, 539856), (69, 453792), (72, 434884), (87, 359904), (92, 340344), (96, 326163), (116, 269928), (138, 226896), (144, 217442), (163, 192096), (174, 179952), (184, 170172), (207, 151264), (232, 134964), (261, 119968), (276, 113448), (288, 108721), (326, 96048), (348, 89976), (368, 85086), (414, 75632), (464, 67482), (489, 64032), (522, 59984), (552, 56724), (652, 48024), (667, 46944), (696, 44988), (736, 42543), (828, 37816), (928, 33741), (978, 32016), (1044, 29992), (1104, 28362), (1304, 24012), (1334, 23472), (1392, 22494), (1467, 21344), (1656, 18908), (1956, 16008), (2001, 15648), (2088, 14996), (2208, 14181), (2608, 12006), (2668, 11736), (2784, 11247), (2934, 10672), (3312, 9454), (3749, 8352), (3912, 8004), (4002, 7824), (4176, 7498), (4727, 6624), (5216, 6003), (5336, 5868)]