320481330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821747}}^1$

素因数の和:821770

約数の個数: 32

約数和(自身を含む): 828321984

約数和(自身を除く): 507840654

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 821747, 1643494, 2465241, 4108735, 4930482, 8217470, 10682711, 12326205, 21365422, 24652410, 32048133, 53413555, 64096266, 106827110, 160240665, 320481330]

約数ペア:

[(1, 320481330), (2, 160240665), (3, 106827110), (5, 64096266), (6, 53413555), (10, 32048133), (13, 24652410), (15, 21365422), (26, 12326205), (30, 10682711), (39, 8217470), (65, 4930482), (78, 4108735), (130, 2465241), (195, 1643494), (390, 821747)]