57131490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 148490496

約数和(自身を除く): 91359006

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 263, 390, 526, 557, 789, 1114, 1315, 1578, 1671, 2630, 2785, 3342, 3419, 3945, 5570, 6838, 7241, 7890, 8355, 10257, 14482, 16710, 17095, 20514, 21723, 34190, 36205, 43446, 51285, 72410, 102570, 108615, 146491, 217230, 292982, 439473, 732455, 878946, 1464910, 1904383, 2197365, 3808766, 4394730, 5713149, 9521915, 11426298, 19043830, 28565745, 57131490]

約数ペア:

[(1, 57131490), (2, 28565745), (3, 19043830), (5, 11426298), (6, 9521915), (10, 5713149), (13, 4394730), (15, 3808766), (26, 2197365), (30, 1904383), (39, 1464910), (65, 878946), (78, 732455), (130, 439473), (195, 292982), (263, 217230), (390, 146491), (526, 108615), (557, 102570), (789, 72410), (1114, 51285), (1315, 43446), (1578, 36205), (1671, 34190), (2630, 21723), (2785, 20514), (3342, 17095), (3419, 16710), (3945, 14482), (5570, 10257), (6838, 8355), (7241, 7890)]