266487920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10313}}^1$

素因数の和:10362

約数の個数: 80

約数和(自身を含む): 690625440

約数和(自身を除く): 424137520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 10313, 12920, 20626, 25840, 41252, 51565, 82504, 103130, 165008, 175321, 195947, 206260, 350642, 391894, 412520, 701284, 783788, 825040, 876605, 979735, 1402568, 1567576, 1753210, 1959470, 2805136, 3135152, 3331099, 3506420, 3918940, 6662198, 7012840, 7837880, 13324396, 14025680, 15675760, 16655495, 26648792, 33310990, 53297584, 66621980, 133243960, 266487920]

約数ペア:

[(1, 266487920), (2, 133243960), (4, 66621980), (5, 53297584), (8, 33310990), (10, 26648792), (16, 16655495), (17, 15675760), (19, 14025680), (20, 13324396), (34, 7837880), (38, 7012840), (40, 6662198), (68, 3918940), (76, 3506420), (80, 3331099), (85, 3135152), (95, 2805136), (136, 1959470), (152, 1753210), (170, 1567576), (190, 1402568), (272, 979735), (304, 876605), (323, 825040), (340, 783788), (380, 701284), (646, 412520), (680, 391894), (760, 350642), (1292, 206260), (1360, 195947), (1520, 175321), (1615, 165008), (2584, 103130), (3230, 82504), (5168, 51565), (6460, 41252), (10313, 25840), (12920, 20626)]