81497664

素因数分解:

$2^6\times 3^4\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 140

約数和(自身を含む): 245872000

約数和(自身を除く): 164374336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 81, 96, 108, 144, 158, 162, 192, 199, 216, 237, 288, 316, 324, 398, 432, 474, 576, 597, 632, 648, 711, 796, 864, 948, 1194, 1264, 1296, 1422, 1592, 1728, 1791, 1896, 2133, 2388, 2528, 2592, 2844, 3184, 3582, 3792, 4266, 4776, 5056, 5184, 5373, 5688, 6368, 6399, 7164, 7584, 8532, 9552, 10746, 11376, 12736, 12798, 14328, 15168, 15721, 16119, 17064, 19104, 21492, 22752, 25596, 28656, 31442, 32238, 34128, 38208, 42984, 45504, 47163, 51192, 57312, 62884, 64476, 68256, 85968, 94326, 102384, 114624, 125768, 128952, 136512, 141489, 171936, 188652, 204768, 251536, 257904, 282978, 343872, 377304, 409536, 424467, 503072, 515808, 565956, 754608, 848934, 1006144, 1031616, 1131912, 1273401, 1509216, 1697868, 2263824, 2546802, 3018432, 3395736, 4527648, 5093604, 6791472, 9055296, 10187208, 13582944, 20374416, 27165888, 40748832, 81497664]

約数ペア:

[(1, 81497664), (2, 40748832), (3, 27165888), (4, 20374416), (6, 13582944), (8, 10187208), (9, 9055296), (12, 6791472), (16, 5093604), (18, 4527648), (24, 3395736), (27, 3018432), (32, 2546802), (36, 2263824), (48, 1697868), (54, 1509216), (64, 1273401), (72, 1131912), (79, 1031616), (81, 1006144), (96, 848934), (108, 754608), (144, 565956), (158, 515808), (162, 503072), (192, 424467), (199, 409536), (216, 377304), (237, 343872), (288, 282978), (316, 257904), (324, 251536), (398, 204768), (432, 188652), (474, 171936), (576, 141489), (597, 136512), (632, 128952), (648, 125768), (711, 114624), (796, 102384), (864, 94326), (948, 85968), (1194, 68256), (1264, 64476), (1296, 62884), (1422, 57312), (1592, 51192), (1728, 47163), (1791, 45504), (1896, 42984), (2133, 38208), (2388, 34128), (2528, 32238), (2592, 31442), (2844, 28656), (3184, 25596), (3582, 22752), (3792, 21492), (4266, 19104), (4776, 17064), (5056, 16119), (5184, 15721), (5373, 15168), (5688, 14328), (6368, 12798), (6399, 12736), (7164, 11376), (7584, 10746), (8532, 9552)]