169006720

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1327}}^1$

素因数の和:1545

約数の個数: 64

約数和(自身を含む): 406368000

約数和(自身を除く): 237361280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 796, 995, 1327, 1592, 1990, 2654, 3184, 3980, 5308, 6368, 6635, 7960, 10616, 12736, 13270, 15920, 21232, 25472, 26540, 31840, 42464, 53080, 63680, 84928, 106160, 127360, 169856, 212320, 264073, 424640, 528146, 849280, 1056292, 1320365, 2112584, 2640730, 4225168, 5281460, 8450336, 10562920, 16900672, 21125840, 33801344, 42251680, 84503360, 169006720]

約数ペア:

[(1, 169006720), (2, 84503360), (4, 42251680), (5, 33801344), (8, 21125840), (10, 16900672), (16, 10562920), (20, 8450336), (32, 5281460), (40, 4225168), (64, 2640730), (80, 2112584), (128, 1320365), (160, 1056292), (199, 849280), (320, 528146), (398, 424640), (640, 264073), (796, 212320), (995, 169856), (1327, 127360), (1592, 106160), (1990, 84928), (2654, 63680), (3184, 53080), (3980, 42464), (5308, 31840), (6368, 26540), (6635, 25472), (7960, 21232), (10616, 15920), (12736, 13270)]