66927780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8647}}^1$

素因数の和:8705

約数の個数: 72

約数和(自身を含む): 207759552

約数和(自身を除く): 140831772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8647, 17294, 25941, 34588, 43235, 51882, 77823, 86470, 103764, 129705, 155646, 172940, 259410, 311292, 371821, 389115, 518820, 743642, 778230, 1115463, 1487284, 1556460, 1859105, 2230926, 3346389, 3718210, 4461852, 5577315, 6692778, 7436420, 11154630, 13385556, 16731945, 22309260, 33463890, 66927780]

約数ペア:

[(1, 66927780), (2, 33463890), (3, 22309260), (4, 16731945), (5, 13385556), (6, 11154630), (9, 7436420), (10, 6692778), (12, 5577315), (15, 4461852), (18, 3718210), (20, 3346389), (30, 2230926), (36, 1859105), (43, 1556460), (45, 1487284), (60, 1115463), (86, 778230), (90, 743642), (129, 518820), (172, 389115), (180, 371821), (215, 311292), (258, 259410), (387, 172940), (430, 155646), (516, 129705), (645, 103764), (774, 86470), (860, 77823), (1290, 51882), (1548, 43235), (1935, 34588), (2580, 25941), (3870, 17294), (7740, 8647)]