256298784

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{661}}^1$

素因数の和:1258

約数の個数: 96

約数和(自身を含む): 771394176

約数和(自身を除く): 515095392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 577, 661, 672, 1154, 1322, 1731, 1983, 2308, 2644, 3462, 3966, 4039, 4616, 4627, 5288, 6924, 7932, 8078, 9232, 9254, 10576, 12117, 13848, 13881, 15864, 16156, 18464, 18508, 21152, 24234, 27696, 27762, 31728, 32312, 37016, 48468, 55392, 55524, 63456, 64624, 74032, 96936, 111048, 129248, 148064, 193872, 222096, 381397, 387744, 444192, 762794, 1144191, 1525588, 2288382, 2669779, 3051176, 4576764, 5339558, 6102352, 8009337, 9153528, 10679116, 12204704, 16018674, 18307056, 21358232, 32037348, 36614112, 42716464, 64074696, 85432928, 128149392, 256298784]

約数ペア:

[(1, 256298784), (2, 128149392), (3, 85432928), (4, 64074696), (6, 42716464), (7, 36614112), (8, 32037348), (12, 21358232), (14, 18307056), (16, 16018674), (21, 12204704), (24, 10679116), (28, 9153528), (32, 8009337), (42, 6102352), (48, 5339558), (56, 4576764), (84, 3051176), (96, 2669779), (112, 2288382), (168, 1525588), (224, 1144191), (336, 762794), (577, 444192), (661, 387744), (672, 381397), (1154, 222096), (1322, 193872), (1731, 148064), (1983, 129248), (2308, 111048), (2644, 96936), (3462, 74032), (3966, 64624), (4039, 63456), (4616, 55524), (4627, 55392), (5288, 48468), (6924, 37016), (7932, 32312), (8078, 31728), (9232, 27762), (9254, 27696), (10576, 24234), (12117, 21152), (13848, 18508), (13881, 18464), (15864, 16156)]