138657240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385159}}^1$

素因数の和:385176

約数の個数: 48

約数和(自身を含む): 450637200

約数和(自身を除く): 311979960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385159, 770318, 1155477, 1540636, 1925795, 2310954, 3081272, 3466431, 3851590, 4621908, 5777385, 6932862, 7703180, 9243816, 11554770, 13865724, 15406360, 17332155, 23109540, 27731448, 34664310, 46219080, 69328620, 138657240]

約数ペア:

[(1, 138657240), (2, 69328620), (3, 46219080), (4, 34664310), (5, 27731448), (6, 23109540), (8, 17332155), (9, 15406360), (10, 13865724), (12, 11554770), (15, 9243816), (18, 7703180), (20, 6932862), (24, 5777385), (30, 4621908), (36, 3851590), (40, 3466431), (45, 3081272), (60, 2310954), (72, 1925795), (90, 1540636), (120, 1155477), (180, 770318), (360, 385159)]