201605820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258469}}^1$

素因数の和:258494

約数の個数: 48

約数和(自身を含む): 607921440

約数和(自身を除く): 406315620

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, 258469, 516938, 775407, 1033876, 1292345, 1550814, 2584690, 3101628, 3360097, 3877035, 5169380, 6720194, 7754070, 10080291, 13440388, 15508140, 16800485, 20160582, 33600970, 40321164, 50401455, 67201940, 100802910, 201605820]

約数ペア:

[(1, 201605820), (2, 100802910), (3, 67201940), (4, 50401455), (5, 40321164), (6, 33600970), (10, 20160582), (12, 16800485), (13, 15508140), (15, 13440388), (20, 10080291), (26, 7754070), (30, 6720194), (39, 5169380), (52, 3877035), (60, 3360097), (65, 3101628), (78, 2584690), (130, 1550814), (156, 1292345), (195, 1033876), (260, 775407), (390, 516938), (780, 258469)]