65509020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{121313}}^1$

素因数の和:121331

約数の個数: 48

約数和(自身を含む): 203807520

約数和(自身を除く): 138298500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 121313, 242626, 363939, 485252, 606565, 727878, 1091817, 1213130, 1455756, 1819695, 2183634, 2426260, 3275451, 3639390, 4367268, 5459085, 6550902, 7278780, 10918170, 13101804, 16377255, 21836340, 32754510, 65509020]

約数ペア:

[(1, 65509020), (2, 32754510), (3, 21836340), (4, 16377255), (5, 13101804), (6, 10918170), (9, 7278780), (10, 6550902), (12, 5459085), (15, 4367268), (18, 3639390), (20, 3275451), (27, 2426260), (30, 2183634), (36, 1819695), (45, 1455756), (54, 1213130), (60, 1091817), (90, 727878), (108, 606565), (135, 485252), (180, 363939), (270, 242626), (540, 121313)]