21827280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90947}}^1$

素因数の和:90963

約数の個数: 40

約数和(自身を含む): 67665312

約数和(自身を除く): 45838032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90947, 181894, 272841, 363788, 454735, 545682, 727576, 909470, 1091364, 1364205, 1455152, 1818940, 2182728, 2728410, 3637880, 4365456, 5456820, 7275760, 10913640, 21827280]

約数ペア:

[(1, 21827280), (2, 10913640), (3, 7275760), (4, 5456820), (5, 4365456), (6, 3637880), (8, 2728410), (10, 2182728), (12, 1818940), (15, 1455152), (16, 1364205), (20, 1091364), (24, 909470), (30, 727576), (40, 545682), (48, 454735), (60, 363788), (80, 272841), (120, 181894), (240, 90947)]