16186660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 40219200

約数和(自身を除く): 24032540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 199, 245, 332, 398, 415, 490, 581, 796, 830, 980, 995, 1162, 1393, 1660, 1990, 2324, 2786, 2905, 3980, 4067, 5572, 5810, 6965, 8134, 9751, 11620, 13930, 16268, 16517, 19502, 20335, 27860, 33034, 39004, 40670, 48755, 66068, 81340, 82585, 97510, 115619, 165170, 195020, 231238, 330340, 462476, 578095, 809333, 1156190, 1618666, 2312380, 3237332, 4046665, 8093330, 16186660]

約数ペア:

[(1, 16186660), (2, 8093330), (4, 4046665), (5, 3237332), (7, 2312380), (10, 1618666), (14, 1156190), (20, 809333), (28, 578095), (35, 462476), (49, 330340), (70, 231238), (83, 195020), (98, 165170), (140, 115619), (166, 97510), (196, 82585), (199, 81340), (245, 66068), (332, 48755), (398, 40670), (415, 39004), (490, 33034), (581, 27860), (796, 20335), (830, 19502), (980, 16517), (995, 16268), (1162, 13930), (1393, 11620), (1660, 9751), (1990, 8134), (2324, 6965), (2786, 5810), (2905, 5572), (3980, 4067)]