517566660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{663547}}^1$

素因数の和:663572

約数の個数: 48

約数和(自身を含む): 1560664896

約数和(自身を除く): 1043098236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 663547, 1327094, 1990641, 2654188, 3317735, 3981282, 6635470, 7962564, 8626111, 9953205, 13270940, 17252222, 19906410, 25878333, 34504444, 39812820, 43130555, 51756666, 86261110, 103513332, 129391665, 172522220, 258783330, 517566660]

約数ペア:

[(1, 517566660), (2, 258783330), (3, 172522220), (4, 129391665), (5, 103513332), (6, 86261110), (10, 51756666), (12, 43130555), (13, 39812820), (15, 34504444), (20, 25878333), (26, 19906410), (30, 17252222), (39, 13270940), (52, 9953205), (60, 8626111), (65, 7962564), (78, 6635470), (130, 3981282), (156, 3317735), (195, 2654188), (260, 1990641), (390, 1327094), (780, 663547)]