90400240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1610

約数の個数: 80

約数和(自身を含む): 242573760

約数和(自身を除く): 152173520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1481, 1526, 1744, 2180, 2962, 3052, 3815, 4360, 5924, 6104, 7405, 7630, 8720, 10367, 11848, 12208, 14810, 15260, 20734, 23696, 29620, 30520, 41468, 51835, 59240, 61040, 82936, 103670, 118480, 161429, 165872, 207340, 322858, 414680, 645716, 807145, 829360, 1130003, 1291432, 1614290, 2260006, 2582864, 3228580, 4520012, 5650015, 6457160, 9040024, 11300030, 12914320, 18080048, 22600060, 45200120, 90400240]

約数ペア:

[(1, 90400240), (2, 45200120), (4, 22600060), (5, 18080048), (7, 12914320), (8, 11300030), (10, 9040024), (14, 6457160), (16, 5650015), (20, 4520012), (28, 3228580), (35, 2582864), (40, 2260006), (56, 1614290), (70, 1291432), (80, 1130003), (109, 829360), (112, 807145), (140, 645716), (218, 414680), (280, 322858), (436, 207340), (545, 165872), (560, 161429), (763, 118480), (872, 103670), (1090, 82936), (1481, 61040), (1526, 59240), (1744, 51835), (2180, 41468), (2962, 30520), (3052, 29620), (3815, 23696), (4360, 20734), (5924, 15260), (6104, 14810), (7405, 12208), (7630, 11848), (8720, 10367)]