80851232

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 211821120

約数和(自身を除く): 130969888

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 76, 77, 88, 112, 121, 133, 152, 154, 157, 176, 209, 224, 242, 266, 304, 308, 314, 352, 418, 484, 532, 608, 616, 628, 836, 847, 968, 1064, 1099, 1232, 1256, 1463, 1672, 1694, 1727, 1936, 2128, 2198, 2299, 2464, 2512, 2926, 2983, 3344, 3388, 3454, 3872, 4256, 4396, 4598, 5024, 5852, 5966, 6688, 6776, 6908, 8792, 9196, 11704, 11932, 12089, 13552, 13816, 16093, 17584, 18392, 18997, 20881, 23408, 23864, 24178, 27104, 27632, 32186, 32813, 35168, 36784, 37994, 41762, 46816, 47728, 48356, 55264, 64372, 65626, 73568, 75988, 83524, 95456, 96712, 128744, 131252, 132979, 151976, 167048, 193424, 229691, 257488, 262504, 265958, 303952, 334096, 360943, 386848, 459382, 514976, 525008, 531916, 607904, 668192, 721886, 918764, 1050016, 1063832, 1443772, 1837528, 2127664, 2526601, 2887544, 3675056, 4255328, 5053202, 5775088, 7350112, 10106404, 11550176, 20212808, 40425616, 80851232]

約数ペア:

[(1, 80851232), (2, 40425616), (4, 20212808), (7, 11550176), (8, 10106404), (11, 7350112), (14, 5775088), (16, 5053202), (19, 4255328), (22, 3675056), (28, 2887544), (32, 2526601), (38, 2127664), (44, 1837528), (56, 1443772), (76, 1063832), (77, 1050016), (88, 918764), (112, 721886), (121, 668192), (133, 607904), (152, 531916), (154, 525008), (157, 514976), (176, 459382), (209, 386848), (224, 360943), (242, 334096), (266, 303952), (304, 265958), (308, 262504), (314, 257488), (352, 229691), (418, 193424), (484, 167048), (532, 151976), (608, 132979), (616, 131252), (628, 128744), (836, 96712), (847, 95456), (968, 83524), (1064, 75988), (1099, 73568), (1232, 65626), (1256, 64372), (1463, 55264), (1672, 48356), (1694, 47728), (1727, 46816), (1936, 41762), (2128, 37994), (2198, 36784), (2299, 35168), (2464, 32813), (2512, 32186), (2926, 27632), (2983, 27104), (3344, 24178), (3388, 23864), (3454, 23408), (3872, 20881), (4256, 18997), (4396, 18392), (4598, 17584), (5024, 16093), (5852, 13816), (5966, 13552), (6688, 12089), (6776, 11932), (6908, 11704), (8792, 9196)]