128640512

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:300

約数の個数: 160

約数和(自身を含む): 346477824

約数和(自身を除く): 217837312

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 128, 143, 154, 176, 182, 208, 224, 251, 256, 286, 308, 352, 364, 416, 448, 502, 512, 572, 616, 704, 728, 832, 896, 1001, 1004, 1144, 1232, 1408, 1456, 1664, 1757, 1792, 2002, 2008, 2288, 2464, 2761, 2816, 2912, 3263, 3328, 3514, 3584, 4004, 4016, 4576, 4928, 5522, 5632, 5824, 6526, 6656, 7028, 8008, 8032, 9152, 9856, 11044, 11648, 13052, 14056, 16016, 16064, 18304, 19327, 19712, 22088, 22841, 23296, 26104, 28112, 32032, 32128, 35893, 36608, 38654, 39424, 44176, 45682, 46592, 52208, 56224, 64064, 64256, 71786, 73216, 77308, 88352, 91364, 104416, 112448, 128128, 128512, 143572, 154616, 176704, 182728, 208832, 224896, 251251, 256256, 287144, 309232, 353408, 365456, 417664, 449792, 502502, 512512, 574288, 618464, 706816, 730912, 835328, 899584, 1005004, 1148576, 1236928, 1413632, 1461824, 1670656, 2010008, 2297152, 2473856, 2923648, 4020016, 4594304, 4947712, 5847296, 8040032, 9188608, 9895424, 11694592, 16080064, 18377216, 32160128, 64320256, 128640512]

約数ペア:

[(1, 128640512), (2, 64320256), (4, 32160128), (7, 18377216), (8, 16080064), (11, 11694592), (13, 9895424), (14, 9188608), (16, 8040032), (22, 5847296), (26, 4947712), (28, 4594304), (32, 4020016), (44, 2923648), (52, 2473856), (56, 2297152), (64, 2010008), (77, 1670656), (88, 1461824), (91, 1413632), (104, 1236928), (112, 1148576), (128, 1005004), (143, 899584), (154, 835328), (176, 730912), (182, 706816), (208, 618464), (224, 574288), (251, 512512), (256, 502502), (286, 449792), (308, 417664), (352, 365456), (364, 353408), (416, 309232), (448, 287144), (502, 256256), (512, 251251), (572, 224896), (616, 208832), (704, 182728), (728, 176704), (832, 154616), (896, 143572), (1001, 128512), (1004, 128128), (1144, 112448), (1232, 104416), (1408, 91364), (1456, 88352), (1664, 77308), (1757, 73216), (1792, 71786), (2002, 64256), (2008, 64064), (2288, 56224), (2464, 52208), (2761, 46592), (2816, 45682), (2912, 44176), (3263, 39424), (3328, 38654), (3514, 36608), (3584, 35893), (4004, 32128), (4016, 32032), (4576, 28112), (4928, 26104), (5522, 23296), (5632, 22841), (5824, 22088), (6526, 19712), (6656, 19327), (7028, 18304), (8008, 16064), (8032, 16016), (9152, 14056), (9856, 13052), (11044, 11648)]