1261036280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{10259}}^1$

素因数の和:10716

約数の個数: 64

約数和(自身を含む): 3250368000

約数和(自身を除く): 1989331720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 878, 1756, 2195, 3073, 3512, 4390, 6146, 8780, 10259, 12292, 15365, 17560, 20518, 24584, 30730, 41036, 51295, 61460, 71813, 82072, 102590, 122920, 143626, 205180, 287252, 359065, 410360, 574504, 718130, 1436260, 2872520, 4503701, 9007402, 18014804, 22518505, 31525907, 36029608, 45037010, 63051814, 90074020, 126103628, 157629535, 180148040, 252207256, 315259070, 630518140, 1261036280]

約数ペア:

[(1, 1261036280), (2, 630518140), (4, 315259070), (5, 252207256), (7, 180148040), (8, 157629535), (10, 126103628), (14, 90074020), (20, 63051814), (28, 45037010), (35, 36029608), (40, 31525907), (56, 22518505), (70, 18014804), (140, 9007402), (280, 4503701), (439, 2872520), (878, 1436260), (1756, 718130), (2195, 574504), (3073, 410360), (3512, 359065), (4390, 287252), (6146, 205180), (8780, 143626), (10259, 122920), (12292, 102590), (15365, 82072), (17560, 71813), (20518, 61460), (24584, 51295), (30730, 41036)]