68812780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 151683840

約数和(自身を除く): 82871060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 659, 908, 1135, 1318, 2270, 2636, 3295, 4540, 5221, 6590, 10442, 13180, 15157, 20884, 26105, 30314, 52210, 60628, 75785, 104420, 149593, 151570, 299186, 303140, 598372, 747965, 1495930, 2991860, 3440639, 6881278, 13762556, 17203195, 34406390, 68812780]

約数ペア:

[(1, 68812780), (2, 34406390), (4, 17203195), (5, 13762556), (10, 6881278), (20, 3440639), (23, 2991860), (46, 1495930), (92, 747965), (115, 598372), (227, 303140), (230, 299186), (454, 151570), (460, 149593), (659, 104420), (908, 75785), (1135, 60628), (1318, 52210), (2270, 30314), (2636, 26105), (3295, 20884), (4540, 15157), (5221, 13180), (6590, 10442)]