268520460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344257}}^1$

素因数の和:344282

約数の個数: 48

約数和(自身を含む): 809694816

約数和(自身を除く): 541174356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 344257, 688514, 1032771, 1377028, 1721285, 2065542, 3442570, 4131084, 4475341, 5163855, 6885140, 8950682, 10327710, 13426023, 17901364, 20655420, 22376705, 26852046, 44753410, 53704092, 67130115, 89506820, 134260230, 268520460]

約数ペア:

[(1, 268520460), (2, 134260230), (3, 89506820), (4, 67130115), (5, 53704092), (6, 44753410), (10, 26852046), (12, 22376705), (13, 20655420), (15, 17901364), (20, 13426023), (26, 10327710), (30, 8950682), (39, 6885140), (52, 5163855), (60, 4475341), (65, 4131084), (78, 3442570), (130, 2065542), (156, 1721285), (195, 1377028), (260, 1032771), (390, 688514), (780, 344257)]