90754720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81031}}^1$

素因数の和:81053

約数の個数: 48

約数和(自身を含む): 245040768

約数和(自身を除く): 154286048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 81031, 162062, 324124, 405155, 567217, 648248, 810310, 1134434, 1296496, 1620620, 2268868, 2592992, 2836085, 3241240, 4537736, 5672170, 6482480, 9075472, 11344340, 12964960, 18150944, 22688680, 45377360, 90754720]

約数ペア:

[(1, 90754720), (2, 45377360), (4, 22688680), (5, 18150944), (7, 12964960), (8, 11344340), (10, 9075472), (14, 6482480), (16, 5672170), (20, 4537736), (28, 3241240), (32, 2836085), (35, 2592992), (40, 2268868), (56, 1620620), (70, 1296496), (80, 1134434), (112, 810310), (140, 648248), (160, 567217), (224, 405155), (280, 324124), (560, 162062), (1120, 81031)]