256380192

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{4219}}^1$

素因数の和:4446

約数の個数: 72

約数和(自身を含む): 732710160

約数和(自身を除く): 476329968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 422, 633, 844, 1266, 1688, 1899, 2532, 3376, 3798, 4219, 5064, 6752, 7596, 8438, 10128, 12657, 15192, 16876, 20256, 25314, 30384, 33752, 37971, 50628, 60768, 67504, 75942, 101256, 135008, 151884, 202512, 303768, 405024, 607536, 890209, 1215072, 1780418, 2670627, 3560836, 5341254, 7121672, 8011881, 10682508, 14243344, 16023762, 21365016, 28486688, 32047524, 42730032, 64095048, 85460064, 128190096, 256380192]

約数ペア:

[(1, 256380192), (2, 128190096), (3, 85460064), (4, 64095048), (6, 42730032), (8, 32047524), (9, 28486688), (12, 21365016), (16, 16023762), (18, 14243344), (24, 10682508), (32, 8011881), (36, 7121672), (48, 5341254), (72, 3560836), (96, 2670627), (144, 1780418), (211, 1215072), (288, 890209), (422, 607536), (633, 405024), (844, 303768), (1266, 202512), (1688, 151884), (1899, 135008), (2532, 101256), (3376, 75942), (3798, 67504), (4219, 60768), (5064, 50628), (6752, 37971), (7596, 33752), (8438, 30384), (10128, 25314), (12657, 20256), (15192, 16876)]