81737856

素因数分解:

$2^7\times 3^3\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 245534400

約数和(自身を除く): 163796544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 96, 108, 128, 134, 144, 192, 201, 216, 268, 288, 353, 384, 402, 432, 536, 576, 603, 706, 804, 864, 1059, 1072, 1152, 1206, 1412, 1608, 1728, 1809, 2118, 2144, 2412, 2824, 3177, 3216, 3456, 3618, 4236, 4288, 4824, 5648, 6354, 6432, 7236, 8472, 8576, 9531, 9648, 11296, 12708, 12864, 14472, 16944, 19062, 19296, 22592, 23651, 25416, 25728, 28944, 33888, 38124, 38592, 45184, 47302, 50832, 57888, 67776, 70953, 76248, 77184, 94604, 101664, 115776, 135552, 141906, 152496, 189208, 203328, 212859, 231552, 283812, 304992, 378416, 406656, 425718, 567624, 609984, 638577, 756832, 851436, 1135248, 1219968, 1277154, 1513664, 1702872, 2270496, 2554308, 3027328, 3405744, 4540992, 5108616, 6811488, 9081984, 10217232, 13622976, 20434464, 27245952, 40868928, 81737856]

約数ペア:

[(1, 81737856), (2, 40868928), (3, 27245952), (4, 20434464), (6, 13622976), (8, 10217232), (9, 9081984), (12, 6811488), (16, 5108616), (18, 4540992), (24, 3405744), (27, 3027328), (32, 2554308), (36, 2270496), (48, 1702872), (54, 1513664), (64, 1277154), (67, 1219968), (72, 1135248), (96, 851436), (108, 756832), (128, 638577), (134, 609984), (144, 567624), (192, 425718), (201, 406656), (216, 378416), (268, 304992), (288, 283812), (353, 231552), (384, 212859), (402, 203328), (432, 189208), (536, 152496), (576, 141906), (603, 135552), (706, 115776), (804, 101664), (864, 94604), (1059, 77184), (1072, 76248), (1152, 70953), (1206, 67776), (1412, 57888), (1608, 50832), (1728, 47302), (1809, 45184), (2118, 38592), (2144, 38124), (2412, 33888), (2824, 28944), (3177, 25728), (3216, 25416), (3456, 23651), (3618, 22592), (4236, 19296), (4288, 19062), (4824, 16944), (5648, 14472), (6354, 12864), (6432, 12708), (7236, 11296), (8472, 9648), (8576, 9531)]