64320256

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 173069568

約数和(自身を除く): 108749312

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, 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, 4004, 4016, 4576, 4928, 5522, 5824, 6526, 7028, 8008, 8032, 9152, 9856, 11044, 11648, 13052, 14056, 16016, 16064, 18304, 19327, 19712, 22088, 22841, 23296, 26104, 28112, 32032, 32128, 35893, 36608, 38654, 44176, 45682, 52208, 56224, 64064, 64256, 71786, 77308, 88352, 91364, 104416, 112448, 128128, 143572, 154616, 176704, 182728, 208832, 224896, 251251, 256256, 287144, 309232, 353408, 365456, 417664, 449792, 502502, 574288, 618464, 706816, 730912, 835328, 1005004, 1148576, 1236928, 1461824, 2010008, 2297152, 2473856, 2923648, 4020016, 4594304, 4947712, 5847296, 8040032, 9188608, 16080064, 32160128, 64320256]

約数ペア:

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