21788880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90787}}^1$

素因数の和:90803

約数の個数: 40

約数和(自身を含む): 67546272

約数和(自身を除く): 45757392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90787, 181574, 272361, 363148, 453935, 544722, 726296, 907870, 1089444, 1361805, 1452592, 1815740, 2178888, 2723610, 3631480, 4357776, 5447220, 7262960, 10894440, 21788880]

約数ペア:

[(1, 21788880), (2, 10894440), (3, 7262960), (4, 5447220), (5, 4357776), (6, 3631480), (8, 2723610), (10, 2178888), (12, 1815740), (15, 1452592), (16, 1361805), (20, 1089444), (24, 907870), (30, 726296), (40, 544722), (48, 453935), (60, 363148), (80, 272361), (120, 181574), (240, 90787)]