20886324720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{364127}}^1$

素因数の和:364382

約数の個数: 80

約数和(自身を含む): 65018695680

約数和(自身を除く): 44132370960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3824, 4780, 5736, 7170, 9560, 11472, 14340, 19120, 28680, 57360, 364127, 728254, 1092381, 1456508, 1820635, 2184762, 2913016, 3641270, 4369524, 5461905, 5826032, 7282540, 8739048, 10923810, 14565080, 17478096, 21847620, 29130160, 43695240, 87026353, 87390480, 174052706, 261079059, 348105412, 435131765, 522158118, 696210824, 870263530, 1044316236, 1305395295, 1392421648, 1740527060, 2088632472, 2610790590, 3481054120, 4177264944, 5221581180, 6962108240, 10443162360, 20886324720]

約数ペア:

[(1, 20886324720), (2, 10443162360), (3, 6962108240), (4, 5221581180), (5, 4177264944), (6, 3481054120), (8, 2610790590), (10, 2088632472), (12, 1740527060), (15, 1392421648), (16, 1305395295), (20, 1044316236), (24, 870263530), (30, 696210824), (40, 522158118), (48, 435131765), (60, 348105412), (80, 261079059), (120, 174052706), (239, 87390480), (240, 87026353), (478, 43695240), (717, 29130160), (956, 21847620), (1195, 17478096), (1434, 14565080), (1912, 10923810), (2390, 8739048), (2868, 7282540), (3585, 5826032), (3824, 5461905), (4780, 4369524), (5736, 3641270), (7170, 2913016), (9560, 2184762), (11472, 1820635), (14340, 1456508), (19120, 1092381), (28680, 728254), (57360, 364127)]