1311686940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{122131}}^1$

素因数の和:122322

約数の個数: 48

約数和(自身を含む): 3693271680

約数和(自身を除く): 2381584740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2148, 2685, 3580, 5370, 10740, 122131, 244262, 366393, 488524, 610655, 732786, 1221310, 1465572, 1831965, 2442620, 3663930, 7327860, 21861449, 43722898, 65584347, 87445796, 109307245, 131168694, 218614490, 262337388, 327921735, 437228980, 655843470, 1311686940]

約数ペア:

[(1, 1311686940), (2, 655843470), (3, 437228980), (4, 327921735), (5, 262337388), (6, 218614490), (10, 131168694), (12, 109307245), (15, 87445796), (20, 65584347), (30, 43722898), (60, 21861449), (179, 7327860), (358, 3663930), (537, 2442620), (716, 1831965), (895, 1465572), (1074, 1221310), (1790, 732786), (2148, 610655), (2685, 488524), (3580, 366393), (5370, 244262), (10740, 122131)]