85306880

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:779

約数の個数: 80

約数和(自身を含む): 209183040

約数和(自身を除く): 123876160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 709, 752, 940, 1280, 1418, 1504, 1880, 2560, 2836, 3008, 3545, 3760, 5672, 6016, 7090, 7520, 11344, 12032, 14180, 15040, 22688, 24064, 28360, 30080, 33323, 45376, 56720, 60160, 66646, 90752, 113440, 120320, 133292, 166615, 181504, 226880, 266584, 333230, 363008, 453760, 533168, 666460, 907520, 1066336, 1332920, 1815040, 2132672, 2665840, 4265344, 5331680, 8530688, 10663360, 17061376, 21326720, 42653440, 85306880]

約数ペア:

[(1, 85306880), (2, 42653440), (4, 21326720), (5, 17061376), (8, 10663360), (10, 8530688), (16, 5331680), (20, 4265344), (32, 2665840), (40, 2132672), (47, 1815040), (64, 1332920), (80, 1066336), (94, 907520), (128, 666460), (160, 533168), (188, 453760), (235, 363008), (256, 333230), (320, 266584), (376, 226880), (470, 181504), (512, 166615), (640, 133292), (709, 120320), (752, 113440), (940, 90752), (1280, 66646), (1418, 60160), (1504, 56720), (1880, 45376), (2560, 33323), (2836, 30080), (3008, 28360), (3545, 24064), (3760, 22688), (5672, 15040), (6016, 14180), (7090, 12032), (7520, 11344)]