28271640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5479}}^1$

素因数の和:5536

約数の個数: 64

約数和(自身を含む): 86803200

約数和(自身を除く): 58531560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5479, 10958, 16437, 21916, 27395, 32874, 43832, 54790, 65748, 82185, 109580, 131496, 164370, 219160, 235597, 328740, 471194, 657480, 706791, 942388, 1177985, 1413582, 1884776, 2355970, 2827164, 3533955, 4711940, 5654328, 7067910, 9423880, 14135820, 28271640]

約数ペア:

[(1, 28271640), (2, 14135820), (3, 9423880), (4, 7067910), (5, 5654328), (6, 4711940), (8, 3533955), (10, 2827164), (12, 2355970), (15, 1884776), (20, 1413582), (24, 1177985), (30, 942388), (40, 706791), (43, 657480), (60, 471194), (86, 328740), (120, 235597), (129, 219160), (172, 164370), (215, 131496), (258, 109580), (344, 82185), (430, 65748), (516, 54790), (645, 43832), (860, 32874), (1032, 27395), (1290, 21916), (1720, 16437), (2580, 10958), (5160, 5479)]