256231360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10399}}^1$

素因数の和:10434

約数の個数: 112

約数和(自身を含む): 760780800

約数和(自身を除く): 504549440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 10399, 12320, 20798, 24640, 41596, 51995, 72793, 83192, 103990, 114389, 145586, 166384, 207980, 228778, 291172, 332768, 363965, 415960, 457556, 571945, 582344, 665536, 727930, 800723, 831920, 915112, 1143890, 1164688, 1455860, 1601446, 1663840, 1830224, 2287780, 2329376, 2911720, 3202892, 3327680, 3660448, 4003615, 4575560, 4658752, 5823440, 6405784, 7320896, 8007230, 9151120, 11646880, 12811568, 16014460, 18302240, 23293760, 25623136, 32028920, 36604480, 51246272, 64057840, 128115680, 256231360]

約数ペア:

[(1, 256231360), (2, 128115680), (4, 64057840), (5, 51246272), (7, 36604480), (8, 32028920), (10, 25623136), (11, 23293760), (14, 18302240), (16, 16014460), (20, 12811568), (22, 11646880), (28, 9151120), (32, 8007230), (35, 7320896), (40, 6405784), (44, 5823440), (55, 4658752), (56, 4575560), (64, 4003615), (70, 3660448), (77, 3327680), (80, 3202892), (88, 2911720), (110, 2329376), (112, 2287780), (140, 1830224), (154, 1663840), (160, 1601446), (176, 1455860), (220, 1164688), (224, 1143890), (280, 915112), (308, 831920), (320, 800723), (352, 727930), (385, 665536), (440, 582344), (448, 571945), (560, 457556), (616, 415960), (704, 363965), (770, 332768), (880, 291172), (1120, 228778), (1232, 207980), (1540, 166384), (1760, 145586), (2240, 114389), (2464, 103990), (3080, 83192), (3520, 72793), (4928, 51995), (6160, 41596), (10399, 24640), (12320, 20798)]