261673728

素因数分解:

$2^8\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 745651200

約数和(自身を除く): 483977472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 32, 48, 58, 62, 64, 87, 93, 96, 116, 124, 128, 174, 186, 192, 232, 248, 256, 348, 372, 379, 384, 464, 496, 696, 744, 758, 768, 899, 928, 992, 1137, 1392, 1488, 1516, 1798, 1856, 1984, 2274, 2697, 2784, 2976, 3032, 3596, 3712, 3968, 4548, 5394, 5568, 5952, 6064, 7192, 7424, 7936, 9096, 10788, 10991, 11136, 11749, 11904, 12128, 14384, 18192, 21576, 21982, 22272, 23498, 23808, 24256, 28768, 32973, 35247, 36384, 43152, 43964, 46996, 48512, 57536, 65946, 70494, 72768, 86304, 87928, 93992, 97024, 115072, 131892, 140988, 145536, 172608, 175856, 187984, 230144, 263784, 281976, 291072, 340721, 345216, 351712, 375968, 527568, 563952, 681442, 690432, 703424, 751936, 1022163, 1055136, 1127904, 1362884, 1406848, 1503872, 2044326, 2110272, 2255808, 2725768, 2813696, 3007744, 4088652, 4220544, 4511616, 5451536, 8177304, 8441088, 9023232, 10903072, 16354608, 21806144, 32709216, 43612288, 65418432, 87224576, 130836864, 261673728]

約数ペア:

[(1, 261673728), (2, 130836864), (3, 87224576), (4, 65418432), (6, 43612288), (8, 32709216), (12, 21806144), (16, 16354608), (24, 10903072), (29, 9023232), (31, 8441088), (32, 8177304), (48, 5451536), (58, 4511616), (62, 4220544), (64, 4088652), (87, 3007744), (93, 2813696), (96, 2725768), (116, 2255808), (124, 2110272), (128, 2044326), (174, 1503872), (186, 1406848), (192, 1362884), (232, 1127904), (248, 1055136), (256, 1022163), (348, 751936), (372, 703424), (379, 690432), (384, 681442), (464, 563952), (496, 527568), (696, 375968), (744, 351712), (758, 345216), (768, 340721), (899, 291072), (928, 281976), (992, 263784), (1137, 230144), (1392, 187984), (1488, 175856), (1516, 172608), (1798, 145536), (1856, 140988), (1984, 131892), (2274, 115072), (2697, 97024), (2784, 93992), (2976, 87928), (3032, 86304), (3596, 72768), (3712, 70494), (3968, 65946), (4548, 57536), (5394, 48512), (5568, 46996), (5952, 43964), (6064, 43152), (7192, 36384), (7424, 35247), (7936, 32973), (9096, 28768), (10788, 24256), (10991, 23808), (11136, 23498), (11749, 22272), (11904, 21982), (12128, 21576), (14384, 18192)]