90720324

素因数分解:

$2^2\times 3^4\times {\mathrm{280001}}^1$

素因数の和:280017

約数の個数: 30

約数和(自身を含む): 237161694

約数和(自身を除く): 146441370

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 280001, 560002, 840003, 1120004, 1680006, 2520009, 3360012, 5040018, 7560027, 10080036, 15120054, 22680081, 30240108, 45360162, 90720324]

約数ペア:

[(1, 90720324), (2, 45360162), (3, 30240108), (4, 22680081), (6, 15120054), (9, 10080036), (12, 7560027), (18, 5040018), (27, 3360012), (36, 2520009), (54, 1680006), (81, 1120004), (108, 840003), (162, 560002), (324, 280001)]