16779560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1223}}^1$

素因数の和:1255

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 27284440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1223, 1372, 1715, 1960, 2446, 2744, 3430, 4892, 6115, 6860, 8561, 9784, 12230, 13720, 17122, 24460, 34244, 42805, 48920, 59927, 68488, 85610, 119854, 171220, 239708, 299635, 342440, 419489, 479416, 599270, 838978, 1198540, 1677956, 2097445, 2397080, 3355912, 4194890, 8389780, 16779560]

約数ペア:

[(1, 16779560), (2, 8389780), (4, 4194890), (5, 3355912), (7, 2397080), (8, 2097445), (10, 1677956), (14, 1198540), (20, 838978), (28, 599270), (35, 479416), (40, 419489), (49, 342440), (56, 299635), (70, 239708), (98, 171220), (140, 119854), (196, 85610), (245, 68488), (280, 59927), (343, 48920), (392, 42805), (490, 34244), (686, 24460), (980, 17122), (1223, 13720), (1372, 12230), (1715, 9784), (1960, 8561), (2446, 6860), (2744, 6115), (3430, 4892)]