1440805960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{55501}}^1$

素因数の和:55582

約数の個数: 64

約数和(自身を含む): 3596529600

約数和(自身を除く): 2155723640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 12980, 25960, 55501, 111002, 222004, 277505, 444008, 555010, 610511, 1110020, 1221022, 2220040, 2442044, 3052555, 3274559, 4884088, 6105110, 6549118, 12210220, 13098236, 16372795, 24420440, 26196472, 32745590, 36020149, 65491180, 72040298, 130982360, 144080596, 180100745, 288161192, 360201490, 720402980, 1440805960]

約数ペア:

[(1, 1440805960), (2, 720402980), (4, 360201490), (5, 288161192), (8, 180100745), (10, 144080596), (11, 130982360), (20, 72040298), (22, 65491180), (40, 36020149), (44, 32745590), (55, 26196472), (59, 24420440), (88, 16372795), (110, 13098236), (118, 12210220), (220, 6549118), (236, 6105110), (295, 4884088), (440, 3274559), (472, 3052555), (590, 2442044), (649, 2220040), (1180, 1221022), (1298, 1110020), (2360, 610511), (2596, 555010), (3245, 444008), (5192, 277505), (6490, 222004), (12980, 111002), (25960, 55501)]