81512288

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 111539872

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 47, 52, 88, 94, 104, 143, 176, 188, 208, 286, 352, 376, 379, 416, 517, 572, 611, 752, 758, 1034, 1144, 1222, 1504, 1516, 2068, 2288, 2444, 3032, 4136, 4169, 4576, 4888, 4927, 6064, 6721, 8272, 8338, 9776, 9854, 12128, 13442, 16544, 16676, 17813, 19552, 19708, 26884, 33352, 35626, 39416, 53768, 54197, 66704, 71252, 78832, 107536, 108394, 133408, 142504, 157664, 195943, 215072, 216788, 231569, 285008, 391886, 433576, 463138, 570016, 783772, 867152, 926276, 1567544, 1734304, 1852552, 2547259, 3135088, 3705104, 5094518, 6270176, 7410208, 10189036, 20378072, 40756144, 81512288]

約数ペア:

[(1, 81512288), (2, 40756144), (4, 20378072), (8, 10189036), (11, 7410208), (13, 6270176), (16, 5094518), (22, 3705104), (26, 3135088), (32, 2547259), (44, 1852552), (47, 1734304), (52, 1567544), (88, 926276), (94, 867152), (104, 783772), (143, 570016), (176, 463138), (188, 433576), (208, 391886), (286, 285008), (352, 231569), (376, 216788), (379, 215072), (416, 195943), (517, 157664), (572, 142504), (611, 133408), (752, 108394), (758, 107536), (1034, 78832), (1144, 71252), (1222, 66704), (1504, 54197), (1516, 53768), (2068, 39416), (2288, 35626), (2444, 33352), (3032, 26884), (4136, 19708), (4169, 19552), (4576, 17813), (4888, 16676), (4927, 16544), (6064, 13442), (6721, 12128), (8272, 9854), (8338, 9776)]