2015217105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{18311}}^1$

素因数の和:18382

約数の個数: 64

約数和(自身を含む): 3797176320

約数和(自身を除く): 1781959215

約数列:

[1, 3, 5, 11, 15, 23, 29, 33, 55, 69, 87, 115, 145, 165, 253, 319, 345, 435, 667, 759, 957, 1265, 1595, 2001, 3335, 3795, 4785, 7337, 10005, 18311, 22011, 36685, 54933, 91555, 110055, 201421, 274665, 421153, 531019, 604263, 1007105, 1263459, 1593057, 2105765, 2655095, 3021315, 4632683, 5841209, 6317295, 7965285, 12213437, 13898049, 17523627, 23163415, 29206045, 36640311, 61067185, 69490245, 87618135, 134347807, 183201555, 403043421, 671739035, 2015217105]

約数ペア:

[(1, 2015217105), (3, 671739035), (5, 403043421), (11, 183201555), (15, 134347807), (23, 87618135), (29, 69490245), (33, 61067185), (55, 36640311), (69, 29206045), (87, 23163415), (115, 17523627), (145, 13898049), (165, 12213437), (253, 7965285), (319, 6317295), (345, 5841209), (435, 4632683), (667, 3021315), (759, 2655095), (957, 2105765), (1265, 1593057), (1595, 1263459), (2001, 1007105), (3335, 604263), (3795, 531019), (4785, 421153), (7337, 274665), (10005, 201421), (18311, 110055), (22011, 91555), (36685, 54933)]