9991590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{971}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 27993600

約数和(自身を除く): 18002010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 971, 1029, 1470, 1715, 1942, 2058, 2913, 3430, 4855, 5145, 5826, 6797, 9710, 10290, 13594, 14565, 20391, 29130, 33985, 40782, 47579, 67970, 95158, 101955, 142737, 203910, 237895, 285474, 333053, 475790, 666106, 713685, 999159, 1427370, 1665265, 1998318, 3330530, 4995795, 9991590]

約数ペア:

[(1, 9991590), (2, 4995795), (3, 3330530), (5, 1998318), (6, 1665265), (7, 1427370), (10, 999159), (14, 713685), (15, 666106), (21, 475790), (30, 333053), (35, 285474), (42, 237895), (49, 203910), (70, 142737), (98, 101955), (105, 95158), (147, 67970), (210, 47579), (245, 40782), (294, 33985), (343, 29130), (490, 20391), (686, 14565), (735, 13594), (971, 10290), (1029, 9710), (1470, 6797), (1715, 5826), (1942, 5145), (2058, 4855), (2913, 3430)]