87857840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1039}}^1$

素因数の和:1210

約数の個数: 80

約数和(自身を含む): 235223040

約数和(自身を除く): 147365200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1039, 1057, 1208, 1510, 2078, 2114, 2416, 3020, 4156, 4228, 5195, 5285, 6040, 7273, 8312, 8456, 10390, 10570, 12080, 14546, 16624, 16912, 20780, 21140, 29092, 36365, 41560, 42280, 58184, 72730, 83120, 84560, 116368, 145460, 156889, 290920, 313778, 581840, 627556, 784445, 1098223, 1255112, 1568890, 2196446, 2510224, 3137780, 4392892, 5491115, 6275560, 8785784, 10982230, 12551120, 17571568, 21964460, 43928920, 87857840]

約数ペア:

[(1, 87857840), (2, 43928920), (4, 21964460), (5, 17571568), (7, 12551120), (8, 10982230), (10, 8785784), (14, 6275560), (16, 5491115), (20, 4392892), (28, 3137780), (35, 2510224), (40, 2196446), (56, 1568890), (70, 1255112), (80, 1098223), (112, 784445), (140, 627556), (151, 581840), (280, 313778), (302, 290920), (560, 156889), (604, 145460), (755, 116368), (1039, 84560), (1057, 83120), (1208, 72730), (1510, 58184), (2078, 42280), (2114, 41560), (2416, 36365), (3020, 29092), (4156, 21140), (4228, 20780), (5195, 16912), (5285, 16624), (6040, 14546), (7273, 12080), (8312, 10570), (8456, 10390)]