128256270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7759}}^1$

素因数の和:7817

約数の個数: 64

約数和(自身を含む): 335232000

約数和(自身を除く): 206975730

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1653, 2755, 3306, 5510, 7759, 8265, 15518, 16530, 23277, 38795, 46554, 77590, 116385, 147421, 225011, 232770, 294842, 442263, 450022, 675033, 737105, 884526, 1125055, 1350066, 1474210, 2211315, 2250110, 3375165, 4275209, 4422630, 6750330, 8550418, 12825627, 21376045, 25651254, 42752090, 64128135, 128256270]

約数ペア:

[(1, 128256270), (2, 64128135), (3, 42752090), (5, 25651254), (6, 21376045), (10, 12825627), (15, 8550418), (19, 6750330), (29, 4422630), (30, 4275209), (38, 3375165), (57, 2250110), (58, 2211315), (87, 1474210), (95, 1350066), (114, 1125055), (145, 884526), (174, 737105), (190, 675033), (285, 450022), (290, 442263), (435, 294842), (551, 232770), (570, 225011), (870, 147421), (1102, 116385), (1653, 77590), (2755, 46554), (3306, 38795), (5510, 23277), (7759, 16530), (8265, 15518)]