1555018020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20717}}^1$

素因数の和:20874

約数の個数: 96

約数和(自身を含む): 4872873600

約数和(自身を除く): 3317855580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 139, 180, 270, 278, 417, 540, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 3753, 4170, 5004, 6255, 7506, 8340, 12510, 15012, 18765, 20717, 25020, 37530, 41434, 62151, 75060, 82868, 103585, 124302, 186453, 207170, 248604, 310755, 372906, 414340, 559359, 621510, 745812, 932265, 1118718, 1243020, 1864530, 2237436, 2796795, 2879663, 3729060, 5593590, 5759326, 8638989, 11187180, 11518652, 14398315, 17277978, 25916967, 28796630, 34555956, 43194945, 51833934, 57593260, 77750901, 86389890, 103667868, 129584835, 155501802, 172779780, 259169670, 311003604, 388754505, 518339340, 777509010, 1555018020]

約数ペア:

[(1, 1555018020), (2, 777509010), (3, 518339340), (4, 388754505), (5, 311003604), (6, 259169670), (9, 172779780), (10, 155501802), (12, 129584835), (15, 103667868), (18, 86389890), (20, 77750901), (27, 57593260), (30, 51833934), (36, 43194945), (45, 34555956), (54, 28796630), (60, 25916967), (90, 17277978), (108, 14398315), (135, 11518652), (139, 11187180), (180, 8638989), (270, 5759326), (278, 5593590), (417, 3729060), (540, 2879663), (556, 2796795), (695, 2237436), (834, 1864530), (1251, 1243020), (1390, 1118718), (1668, 932265), (2085, 745812), (2502, 621510), (2780, 559359), (3753, 414340), (4170, 372906), (5004, 310755), (6255, 248604), (7506, 207170), (8340, 186453), (12510, 124302), (15012, 103585), (18765, 82868), (20717, 75060), (25020, 62151), (37530, 41434)]