81940992

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7649

約数の個数: 80

約数和(自身を含む): 249513792

約数和(自身を除く): 167572800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 7621, 10752, 15242, 22863, 30484, 45726, 53347, 60968, 91452, 106694, 121936, 160041, 182904, 213388, 243872, 320082, 365808, 426776, 487744, 640164, 731616, 853552, 975488, 1280328, 1463232, 1707104, 1950976, 2560656, 2926464, 3414208, 3901952, 5121312, 5852928, 6828416, 10242624, 11705856, 13656832, 20485248, 27313664, 40970496, 81940992]

約数ペア:

[(1, 81940992), (2, 40970496), (3, 27313664), (4, 20485248), (6, 13656832), (7, 11705856), (8, 10242624), (12, 6828416), (14, 5852928), (16, 5121312), (21, 3901952), (24, 3414208), (28, 2926464), (32, 2560656), (42, 1950976), (48, 1707104), (56, 1463232), (64, 1280328), (84, 975488), (96, 853552), (112, 731616), (128, 640164), (168, 487744), (192, 426776), (224, 365808), (256, 320082), (336, 243872), (384, 213388), (448, 182904), (512, 160041), (672, 121936), (768, 106694), (896, 91452), (1344, 60968), (1536, 53347), (1792, 45726), (2688, 30484), (3584, 22863), (5376, 15242), (7621, 10752)]