285474816

素因数分解:

$2^{18}\times 3^2\times {\mathrm{11}}^2$

素因数の和:64

約数の個数: 171

約数和(自身を含む): 906492223

約数和(自身を除く): 621017407

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 121, 128, 132, 144, 176, 192, 198, 242, 256, 264, 288, 352, 363, 384, 396, 484, 512, 528, 576, 704, 726, 768, 792, 968, 1024, 1056, 1089, 1152, 1408, 1452, 1536, 1584, 1936, 2048, 2112, 2178, 2304, 2816, 2904, 3072, 3168, 3872, 4096, 4224, 4356, 4608, 5632, 5808, 6144, 6336, 7744, 8192, 8448, 8712, 9216, 11264, 11616, 12288, 12672, 15488, 16384, 16896, 17424, 18432, 22528, 23232, 24576, 25344, 30976, 32768, 33792, 34848, 36864, 45056, 46464, 49152, 50688, 61952, 65536, 67584, 69696, 73728, 90112, 92928, 98304, 101376, 123904, 131072, 135168, 139392, 147456, 180224, 185856, 196608, 202752, 247808, 262144, 270336, 278784, 294912, 360448, 371712, 393216, 405504, 495616, 540672, 557568, 589824, 720896, 743424, 786432, 811008, 991232, 1081344, 1115136, 1179648, 1441792, 1486848, 1622016, 1982464, 2162688, 2230272, 2359296, 2883584, 2973696, 3244032, 3964928, 4325376, 4460544, 5947392, 6488064, 7929856, 8650752, 8921088, 11894784, 12976128, 15859712, 17842176, 23789568, 25952256, 31719424, 35684352, 47579136, 71368704, 95158272, 142737408, 285474816]

約数ペア:

[(1, 285474816), (2, 142737408), (3, 95158272), (4, 71368704), (6, 47579136), (8, 35684352), (9, 31719424), (11, 25952256), (12, 23789568), (16, 17842176), (18, 15859712), (22, 12976128), (24, 11894784), (32, 8921088), (33, 8650752), (36, 7929856), (44, 6488064), (48, 5947392), (64, 4460544), (66, 4325376), (72, 3964928), (88, 3244032), (96, 2973696), (99, 2883584), (121, 2359296), (128, 2230272), (132, 2162688), (144, 1982464), (176, 1622016), (192, 1486848), (198, 1441792), (242, 1179648), (256, 1115136), (264, 1081344), (288, 991232), (352, 811008), (363, 786432), (384, 743424), (396, 720896), (484, 589824), (512, 557568), (528, 540672), (576, 495616), (704, 405504), (726, 393216), (768, 371712), (792, 360448), (968, 294912), (1024, 278784), (1056, 270336), (1089, 262144), (1152, 247808), (1408, 202752), (1452, 196608), (1536, 185856), (1584, 180224), (1936, 147456), (2048, 139392), (2112, 135168), (2178, 131072), (2304, 123904), (2816, 101376), (2904, 98304), (3072, 92928), (3168, 90112), (3872, 73728), (4096, 69696), (4224, 67584), (4356, 65536), (4608, 61952), (5632, 50688), (5808, 49152), (6144, 46464), (6336, 45056), (7744, 36864), (8192, 34848), (8448, 33792), (8712, 32768), (9216, 30976), (11264, 25344), (11616, 24576), (12288, 23232), (12672, 22528), (15488, 18432), (16384, 17424)]