81427968

素因数分解:

$2^9\times 3^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 120

約数和(自身を含む): 241297056

約数和(自身を除く): 159869088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 72, 82, 96, 123, 128, 144, 164, 192, 246, 256, 288, 328, 369, 384, 431, 492, 512, 576, 656, 738, 768, 862, 984, 1152, 1293, 1312, 1476, 1536, 1724, 1968, 2304, 2586, 2624, 2952, 3448, 3879, 3936, 4608, 5172, 5248, 5904, 6896, 7758, 7872, 10344, 10496, 11808, 13792, 15516, 15744, 17671, 20688, 20992, 23616, 27584, 31032, 31488, 35342, 41376, 47232, 53013, 55168, 62064, 62976, 70684, 82752, 94464, 106026, 110336, 124128, 141368, 159039, 165504, 188928, 212052, 220672, 248256, 282736, 318078, 331008, 424104, 496512, 565472, 636156, 662016, 848208, 993024, 1130944, 1272312, 1696416, 1986048, 2261888, 2544624, 3392832, 4523776, 5089248, 6785664, 9047552, 10178496, 13571328, 20356992, 27142656, 40713984, 81427968]

約数ペア:

[(1, 81427968), (2, 40713984), (3, 27142656), (4, 20356992), (6, 13571328), (8, 10178496), (9, 9047552), (12, 6785664), (16, 5089248), (18, 4523776), (24, 3392832), (32, 2544624), (36, 2261888), (41, 1986048), (48, 1696416), (64, 1272312), (72, 1130944), (82, 993024), (96, 848208), (123, 662016), (128, 636156), (144, 565472), (164, 496512), (192, 424104), (246, 331008), (256, 318078), (288, 282736), (328, 248256), (369, 220672), (384, 212052), (431, 188928), (492, 165504), (512, 159039), (576, 141368), (656, 124128), (738, 110336), (768, 106026), (862, 94464), (984, 82752), (1152, 70684), (1293, 62976), (1312, 62064), (1476, 55168), (1536, 53013), (1724, 47232), (1968, 41376), (2304, 35342), (2586, 31488), (2624, 31032), (2952, 27584), (3448, 23616), (3879, 20992), (3936, 20688), (4608, 17671), (5172, 15744), (5248, 15516), (5904, 13792), (6896, 11808), (7758, 10496), (7872, 10344)]