123984

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{41}}^1$

素因数の和:65

約数の個数: 80

約数和(自身を含む): 416640

約数和(自身を除く): 292656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 41, 42, 48, 54, 56, 63, 72, 82, 84, 108, 112, 123, 126, 144, 164, 168, 189, 216, 246, 252, 287, 328, 336, 369, 378, 432, 492, 504, 574, 656, 738, 756, 861, 984, 1008, 1107, 1148, 1476, 1512, 1722, 1968, 2214, 2296, 2583, 2952, 3024, 3444, 4428, 4592, 5166, 5904, 6888, 7749, 8856, 10332, 13776, 15498, 17712, 20664, 30996, 41328, 61992, 123984]

約数ペア:

[(1, 123984), (2, 61992), (3, 41328), (4, 30996), (6, 20664), (7, 17712), (8, 15498), (9, 13776), (12, 10332), (14, 8856), (16, 7749), (18, 6888), (21, 5904), (24, 5166), (27, 4592), (28, 4428), (36, 3444), (41, 3024), (42, 2952), (48, 2583), (54, 2296), (56, 2214), (63, 1968), (72, 1722), (82, 1512), (84, 1476), (108, 1148), (112, 1107), (123, 1008), (126, 984), (144, 861), (164, 756), (168, 738), (189, 656), (216, 574), (246, 504), (252, 492), (287, 432), (328, 378), (336, 369)]