86971640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{811}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 224501760

約数和(自身を除く): 137530120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 766, 811, 1532, 1622, 1915, 2681, 3064, 3244, 3830, 4055, 5362, 5677, 6488, 7660, 8110, 10724, 11354, 13405, 15320, 16220, 21448, 22708, 26810, 28385, 32440, 45416, 53620, 56770, 107240, 113540, 227080, 310613, 621226, 1242452, 1553065, 2174291, 2484904, 3106130, 4348582, 6212260, 8697164, 10871455, 12424520, 17394328, 21742910, 43485820, 86971640]

約数ペア:

[(1, 86971640), (2, 43485820), (4, 21742910), (5, 17394328), (7, 12424520), (8, 10871455), (10, 8697164), (14, 6212260), (20, 4348582), (28, 3106130), (35, 2484904), (40, 2174291), (56, 1553065), (70, 1242452), (140, 621226), (280, 310613), (383, 227080), (766, 113540), (811, 107240), (1532, 56770), (1622, 53620), (1915, 45416), (2681, 32440), (3064, 28385), (3244, 26810), (3830, 22708), (4055, 21448), (5362, 16220), (5677, 15320), (6488, 13405), (7660, 11354), (8110, 10724)]