68936870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 138018816

約数和(自身を除く): 69081946

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 103, 127, 155, 170, 206, 254, 310, 515, 527, 635, 1030, 1054, 1270, 1751, 2159, 2635, 3193, 3502, 3937, 4318, 5270, 6386, 7874, 8755, 10795, 13081, 15965, 17510, 19685, 21590, 26162, 31930, 39370, 54281, 65405, 66929, 108562, 130810, 133858, 222377, 271405, 334645, 405511, 444754, 542810, 669290, 811022, 1111885, 2027555, 2223770, 4055110, 6893687, 13787374, 34468435, 68936870]

約数ペア:

[(1, 68936870), (2, 34468435), (5, 13787374), (10, 6893687), (17, 4055110), (31, 2223770), (34, 2027555), (62, 1111885), (85, 811022), (103, 669290), (127, 542810), (155, 444754), (170, 405511), (206, 334645), (254, 271405), (310, 222377), (515, 133858), (527, 130810), (635, 108562), (1030, 66929), (1054, 65405), (1270, 54281), (1751, 39370), (2159, 31930), (2635, 26162), (3193, 21590), (3502, 19685), (3937, 17510), (4318, 15965), (5270, 13081), (6386, 10795), (7874, 8755)]