81352080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37663}}^1$

素因数の和:37685

約数の個数: 80

約数和(自身を含む): 280220160

約数和(自身を除く): 198868080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37663, 75326, 112989, 150652, 188315, 225978, 301304, 338967, 376630, 451956, 564945, 602608, 677934, 753260, 903912, 1016901, 1129890, 1355868, 1506520, 1694835, 1807824, 2033802, 2259780, 2711736, 3013040, 3389670, 4067604, 4519560, 5084505, 5423472, 6779340, 8135208, 9039120, 10169010, 13558680, 16270416, 20338020, 27117360, 40676040, 81352080]

約数ペア:

[(1, 81352080), (2, 40676040), (3, 27117360), (4, 20338020), (5, 16270416), (6, 13558680), (8, 10169010), (9, 9039120), (10, 8135208), (12, 6779340), (15, 5423472), (16, 5084505), (18, 4519560), (20, 4067604), (24, 3389670), (27, 3013040), (30, 2711736), (36, 2259780), (40, 2033802), (45, 1807824), (48, 1694835), (54, 1506520), (60, 1355868), (72, 1129890), (80, 1016901), (90, 903912), (108, 753260), (120, 677934), (135, 602608), (144, 564945), (180, 451956), (216, 376630), (240, 338967), (270, 301304), (360, 225978), (432, 188315), (540, 150652), (720, 112989), (1080, 75326), (2160, 37663)]