166332160

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 401032800

約数和(自身を除く): 234700640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 640, 653, 796, 995, 1280, 1306, 1592, 1990, 2612, 3184, 3265, 3980, 5224, 6368, 6530, 7960, 10448, 12736, 13060, 15920, 20896, 25472, 26120, 31840, 41792, 50944, 52240, 63680, 83584, 104480, 127360, 129947, 167168, 208960, 254720, 259894, 417920, 519788, 649735, 835840, 1039576, 1299470, 2079152, 2598940, 4158304, 5197880, 8316608, 10395760, 16633216, 20791520, 33266432, 41583040, 83166080, 166332160]

約数ペア:

[(1, 166332160), (2, 83166080), (4, 41583040), (5, 33266432), (8, 20791520), (10, 16633216), (16, 10395760), (20, 8316608), (32, 5197880), (40, 4158304), (64, 2598940), (80, 2079152), (128, 1299470), (160, 1039576), (199, 835840), (256, 649735), (320, 519788), (398, 417920), (640, 259894), (653, 254720), (796, 208960), (995, 167168), (1280, 129947), (1306, 127360), (1592, 104480), (1990, 83584), (2612, 63680), (3184, 52240), (3265, 50944), (3980, 41792), (5224, 31840), (6368, 26120), (6530, 25472), (7960, 20896), (10448, 15920), (12736, 13060)]