78240645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 156124800

約数和(自身を除く): 77884155

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 149, 315, 447, 745, 1043, 1341, 1667, 2235, 3129, 5001, 5215, 6705, 8335, 9387, 11669, 15003, 15645, 25005, 35007, 46935, 58345, 75015, 105021, 175035, 248383, 525105, 745149, 1241915, 1738681, 2235447, 3725745, 5216043, 8693405, 11177235, 15648129, 26080215, 78240645]

約数ペア:

[(1, 78240645), (3, 26080215), (5, 15648129), (7, 11177235), (9, 8693405), (15, 5216043), (21, 3725745), (35, 2235447), (45, 1738681), (63, 1241915), (105, 745149), (149, 525105), (315, 248383), (447, 175035), (745, 105021), (1043, 75015), (1341, 58345), (1667, 46935), (2235, 35007), (3129, 25005), (5001, 15645), (5215, 15003), (6705, 11669), (8335, 9387)]