128670864

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 389983968

約数和(自身を除く): 261313104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 227, 241, 294, 336, 392, 454, 482, 588, 681, 723, 784, 908, 964, 1176, 1362, 1446, 1589, 1687, 1816, 1928, 2352, 2724, 2892, 3178, 3374, 3632, 3856, 4767, 5061, 5448, 5784, 6356, 6748, 9534, 10122, 10896, 11123, 11568, 11809, 12712, 13496, 19068, 20244, 22246, 23618, 25424, 26992, 33369, 35427, 38136, 40488, 44492, 47236, 54707, 66738, 70854, 76272, 80976, 88984, 94472, 109414, 133476, 141708, 164121, 177968, 188944, 218828, 266952, 283416, 328242, 382949, 437656, 533904, 566832, 656484, 765898, 875312, 1148847, 1312968, 1531796, 2297694, 2625936, 2680643, 3063592, 4595388, 5361286, 6127184, 8041929, 9190776, 10722572, 16083858, 18381552, 21445144, 32167716, 42890288, 64335432, 128670864]

約数ペア:

[(1, 128670864), (2, 64335432), (3, 42890288), (4, 32167716), (6, 21445144), (7, 18381552), (8, 16083858), (12, 10722572), (14, 9190776), (16, 8041929), (21, 6127184), (24, 5361286), (28, 4595388), (42, 3063592), (48, 2680643), (49, 2625936), (56, 2297694), (84, 1531796), (98, 1312968), (112, 1148847), (147, 875312), (168, 765898), (196, 656484), (227, 566832), (241, 533904), (294, 437656), (336, 382949), (392, 328242), (454, 283416), (482, 266952), (588, 218828), (681, 188944), (723, 177968), (784, 164121), (908, 141708), (964, 133476), (1176, 109414), (1362, 94472), (1446, 88984), (1589, 80976), (1687, 76272), (1816, 70854), (1928, 66738), (2352, 54707), (2724, 47236), (2892, 44492), (3178, 40488), (3374, 38136), (3632, 35427), (3856, 33369), (4767, 26992), (5061, 25424), (5448, 23618), (5784, 22246), (6356, 20244), (6748, 19068), (9534, 13496), (10122, 12712), (10896, 11809), (11123, 11568)]