51366840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61151}}^1$

素因数の和:61172

約数の個数: 64

約数和(自身を含む): 176117760

約数和(自身を除く): 124750920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 61151, 122302, 183453, 244604, 305755, 366906, 428057, 489208, 611510, 733812, 856114, 917265, 1223020, 1284171, 1467624, 1712228, 1834530, 2140285, 2446040, 2568342, 3424456, 3669060, 4280570, 5136684, 6420855, 7338120, 8561140, 10273368, 12841710, 17122280, 25683420, 51366840]

約数ペア:

[(1, 51366840), (2, 25683420), (3, 17122280), (4, 12841710), (5, 10273368), (6, 8561140), (7, 7338120), (8, 6420855), (10, 5136684), (12, 4280570), (14, 3669060), (15, 3424456), (20, 2568342), (21, 2446040), (24, 2140285), (28, 1834530), (30, 1712228), (35, 1467624), (40, 1284171), (42, 1223020), (56, 917265), (60, 856114), (70, 733812), (84, 611510), (105, 489208), (120, 428057), (140, 366906), (168, 305755), (210, 244604), (280, 183453), (420, 122302), (840, 61151)]