128636784

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^2\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 90

約数和(自身を含む): 367294200

約数和(自身を除く): 238657416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 199, 201, 268, 398, 402, 536, 597, 603, 796, 804, 1072, 1194, 1206, 1592, 1608, 1791, 2388, 2412, 3184, 3216, 3582, 4489, 4776, 4824, 7164, 8978, 9552, 9648, 13333, 13467, 14328, 17956, 26666, 26934, 28656, 35912, 39999, 40401, 53332, 53868, 71824, 79998, 80802, 106664, 107736, 119997, 159996, 161604, 213328, 215472, 239994, 319992, 323208, 479988, 639984, 646416, 893311, 959976, 1786622, 1919952, 2679933, 3573244, 5359866, 7146488, 8039799, 10719732, 14292976, 16079598, 21439464, 32159196, 42878928, 64318392, 128636784]

約数ペア:

[(1, 128636784), (2, 64318392), (3, 42878928), (4, 32159196), (6, 21439464), (8, 16079598), (9, 14292976), (12, 10719732), (16, 8039799), (18, 7146488), (24, 5359866), (36, 3573244), (48, 2679933), (67, 1919952), (72, 1786622), (134, 959976), (144, 893311), (199, 646416), (201, 639984), (268, 479988), (398, 323208), (402, 319992), (536, 239994), (597, 215472), (603, 213328), (796, 161604), (804, 159996), (1072, 119997), (1194, 107736), (1206, 106664), (1592, 80802), (1608, 79998), (1791, 71824), (2388, 53868), (2412, 53332), (3184, 40401), (3216, 39999), (3582, 35912), (4489, 28656), (4776, 26934), (4824, 26666), (7164, 17956), (8978, 14328), (9552, 13467), (9648, 13333)]