81368970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1549}}^1$

素因数の和:1679

約数の個数: 64

約数和(自身を含む): 208915200

約数和(自身を除く): 127546230

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 103, 170, 206, 255, 309, 510, 515, 618, 1030, 1545, 1549, 1751, 3090, 3098, 3502, 4647, 5253, 7745, 8755, 9294, 10506, 15490, 17510, 23235, 26265, 26333, 46470, 52530, 52666, 78999, 131665, 157998, 159547, 263330, 319094, 394995, 478641, 789990, 797735, 957282, 1595470, 2393205, 2712299, 4786410, 5424598, 8136897, 13561495, 16273794, 27122990, 40684485, 81368970]

約数ペア:

[(1, 81368970), (2, 40684485), (3, 27122990), (5, 16273794), (6, 13561495), (10, 8136897), (15, 5424598), (17, 4786410), (30, 2712299), (34, 2393205), (51, 1595470), (85, 957282), (102, 797735), (103, 789990), (170, 478641), (206, 394995), (255, 319094), (309, 263330), (510, 159547), (515, 157998), (618, 131665), (1030, 78999), (1545, 52666), (1549, 52530), (1751, 46470), (3090, 26333), (3098, 26265), (3502, 23235), (4647, 17510), (5253, 15490), (7745, 10506), (8755, 9294)]