256700976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:663

約数の個数: 160

約数和(自身を含む): 805662720

約数和(自身を除く): 548961744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 59, 69, 84, 92, 112, 118, 138, 161, 168, 177, 184, 236, 276, 322, 336, 354, 368, 413, 472, 483, 552, 563, 644, 708, 826, 944, 966, 1104, 1126, 1239, 1288, 1357, 1416, 1652, 1689, 1932, 2252, 2478, 2576, 2714, 2832, 3304, 3378, 3864, 3941, 4071, 4504, 4956, 5428, 6608, 6756, 7728, 7882, 8142, 9008, 9499, 9912, 10856, 11823, 12949, 13512, 15764, 16284, 18998, 19824, 21712, 23646, 25898, 27024, 28497, 31528, 32568, 33217, 37996, 38847, 47292, 51796, 56994, 63056, 65136, 66434, 75992, 77694, 90643, 94584, 99651, 103592, 113988, 132868, 151984, 155388, 181286, 189168, 199302, 207184, 227976, 232519, 265736, 271929, 310776, 362572, 398604, 455952, 465038, 531472, 543858, 621552, 697557, 725144, 763991, 797208, 930076, 1087716, 1395114, 1450288, 1527982, 1594416, 1860152, 2175432, 2291973, 2790228, 3055964, 3720304, 4350864, 4583946, 5347937, 5580456, 6111928, 9167892, 10695874, 11160912, 12223856, 16043811, 18335784, 21391748, 32087622, 36671568, 42783496, 64175244, 85566992, 128350488, 256700976]

約数ペア:

[(1, 256700976), (2, 128350488), (3, 85566992), (4, 64175244), (6, 42783496), (7, 36671568), (8, 32087622), (12, 21391748), (14, 18335784), (16, 16043811), (21, 12223856), (23, 11160912), (24, 10695874), (28, 9167892), (42, 6111928), (46, 5580456), (48, 5347937), (56, 4583946), (59, 4350864), (69, 3720304), (84, 3055964), (92, 2790228), (112, 2291973), (118, 2175432), (138, 1860152), (161, 1594416), (168, 1527982), (177, 1450288), (184, 1395114), (236, 1087716), (276, 930076), (322, 797208), (336, 763991), (354, 725144), (368, 697557), (413, 621552), (472, 543858), (483, 531472), (552, 465038), (563, 455952), (644, 398604), (708, 362572), (826, 310776), (944, 271929), (966, 265736), (1104, 232519), (1126, 227976), (1239, 207184), (1288, 199302), (1357, 189168), (1416, 181286), (1652, 155388), (1689, 151984), (1932, 132868), (2252, 113988), (2478, 103592), (2576, 99651), (2714, 94584), (2832, 90643), (3304, 77694), (3378, 75992), (3864, 66434), (3941, 65136), (4071, 63056), (4504, 56994), (4956, 51796), (5428, 47292), (6608, 38847), (6756, 37996), (7728, 33217), (7882, 32568), (8142, 31528), (9008, 28497), (9499, 27024), (9912, 25898), (10856, 23646), (11823, 21712), (12949, 19824), (13512, 18998), (15764, 16284)]