260554710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{668089}}^1$

素因数の和:668112

約数の個数: 32

約数和(自身を含む): 673434720

約数和(自身を除く): 412880010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 668089, 1336178, 2004267, 3340445, 4008534, 6680890, 8685157, 10021335, 17370314, 20042670, 26055471, 43425785, 52110942, 86851570, 130277355, 260554710]

約数ペア:

[(1, 260554710), (2, 130277355), (3, 86851570), (5, 52110942), (6, 43425785), (10, 26055471), (13, 20042670), (15, 17370314), (26, 10021335), (30, 8685157), (39, 6680890), (65, 4008534), (78, 3340445), (130, 2004267), (195, 1336178), (390, 668089)]