81209088

素因数分解:

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

素因数の和:435

約数の個数: 144

約数和(自身を含む): 248550400

約数和(自身を除く): 167341312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 379, 384, 432, 496, 558, 576, 744, 758, 768, 837, 864, 992, 1116, 1137, 1152, 1488, 1516, 1674, 1728, 1984, 2232, 2274, 2304, 2976, 3032, 3348, 3411, 3456, 3968, 4464, 4548, 5952, 6064, 6696, 6822, 6912, 7936, 8928, 9096, 10233, 11749, 11904, 12128, 13392, 13644, 17856, 18192, 20466, 23498, 23808, 24256, 26784, 27288, 35247, 35712, 36384, 40932, 46996, 48512, 53568, 54576, 70494, 71424, 72768, 81864, 93992, 97024, 105741, 107136, 109152, 140988, 145536, 163728, 187984, 211482, 214272, 218304, 281976, 291072, 317223, 327456, 375968, 422964, 436608, 563952, 634446, 654912, 751936, 845928, 873216, 1127904, 1268892, 1309824, 1503872, 1691856, 2255808, 2537784, 2619648, 3007744, 3383712, 4511616, 5075568, 6767424, 9023232, 10151136, 13534848, 20302272, 27069696, 40604544, 81209088]

約数ペア:

[(1, 81209088), (2, 40604544), (3, 27069696), (4, 20302272), (6, 13534848), (8, 10151136), (9, 9023232), (12, 6767424), (16, 5075568), (18, 4511616), (24, 3383712), (27, 3007744), (31, 2619648), (32, 2537784), (36, 2255808), (48, 1691856), (54, 1503872), (62, 1309824), (64, 1268892), (72, 1127904), (93, 873216), (96, 845928), (108, 751936), (124, 654912), (128, 634446), (144, 563952), (186, 436608), (192, 422964), (216, 375968), (248, 327456), (256, 317223), (279, 291072), (288, 281976), (372, 218304), (379, 214272), (384, 211482), (432, 187984), (496, 163728), (558, 145536), (576, 140988), (744, 109152), (758, 107136), (768, 105741), (837, 97024), (864, 93992), (992, 81864), (1116, 72768), (1137, 71424), (1152, 70494), (1488, 54576), (1516, 53568), (1674, 48512), (1728, 46996), (1984, 40932), (2232, 36384), (2274, 35712), (2304, 35247), (2976, 27288), (3032, 26784), (3348, 24256), (3411, 23808), (3456, 23498), (3968, 20466), (4464, 18192), (4548, 17856), (5952, 13644), (6064, 13392), (6696, 12128), (6822, 11904), (6912, 11749), (7936, 10233), (8928, 9096)]