155611960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1787}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 401656320

約数和(自身を除く): 246044360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 1244, 1555, 1787, 2177, 2488, 3110, 3574, 4354, 6220, 7148, 8708, 8935, 10885, 12440, 12509, 14296, 17416, 17870, 21770, 25018, 35740, 43540, 50036, 62545, 71480, 87080, 100072, 125090, 250180, 500360, 555757, 1111514, 2223028, 2778785, 3890299, 4446056, 5557570, 7780598, 11115140, 15561196, 19451495, 22230280, 31122392, 38902990, 77805980, 155611960]

約数ペア:

[(1, 155611960), (2, 77805980), (4, 38902990), (5, 31122392), (7, 22230280), (8, 19451495), (10, 15561196), (14, 11115140), (20, 7780598), (28, 5557570), (35, 4446056), (40, 3890299), (56, 2778785), (70, 2223028), (140, 1111514), (280, 555757), (311, 500360), (622, 250180), (1244, 125090), (1555, 100072), (1787, 87080), (2177, 71480), (2488, 62545), (3110, 50036), (3574, 43540), (4354, 35740), (6220, 25018), (7148, 21770), (8708, 17870), (8935, 17416), (10885, 14296), (12440, 12509)]