80877760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 84

約数和(自身を含む): 199759824

約数和(自身を除く): 118882064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 263, 310, 320, 496, 526, 620, 961, 992, 1052, 1240, 1315, 1922, 1984, 2104, 2480, 2630, 3844, 4208, 4805, 4960, 5260, 7688, 8153, 8416, 9610, 9920, 10520, 15376, 16306, 16832, 19220, 21040, 30752, 32612, 38440, 40765, 42080, 61504, 65224, 76880, 81530, 84160, 130448, 153760, 163060, 252743, 260896, 307520, 326120, 505486, 521792, 652240, 1010972, 1263715, 1304480, 2021944, 2527430, 2608960, 4043888, 5054860, 8087776, 10109720, 16175552, 20219440, 40438880, 80877760]

約数ペア:

[(1, 80877760), (2, 40438880), (4, 20219440), (5, 16175552), (8, 10109720), (10, 8087776), (16, 5054860), (20, 4043888), (31, 2608960), (32, 2527430), (40, 2021944), (62, 1304480), (64, 1263715), (80, 1010972), (124, 652240), (155, 521792), (160, 505486), (248, 326120), (263, 307520), (310, 260896), (320, 252743), (496, 163060), (526, 153760), (620, 130448), (961, 84160), (992, 81530), (1052, 76880), (1240, 65224), (1315, 61504), (1922, 42080), (1984, 40765), (2104, 38440), (2480, 32612), (2630, 30752), (3844, 21040), (4208, 19220), (4805, 16832), (4960, 16306), (5260, 15376), (7688, 10520), (8153, 9920), (8416, 9610)]