51125340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{121727}}^1$

素因数の和:121746

約数の個数: 48

約数和(自身を含む): 163602432

約数和(自身を除く): 112477092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 121727, 243454, 365181, 486908, 608635, 730362, 852089, 1217270, 1460724, 1704178, 1825905, 2434540, 2556267, 3408356, 3651810, 4260445, 5112534, 7303620, 8520890, 10225068, 12781335, 17041780, 25562670, 51125340]

約数ペア:

[(1, 51125340), (2, 25562670), (3, 17041780), (4, 12781335), (5, 10225068), (6, 8520890), (7, 7303620), (10, 5112534), (12, 4260445), (14, 3651810), (15, 3408356), (20, 2556267), (21, 2434540), (28, 1825905), (30, 1704178), (35, 1460724), (42, 1217270), (60, 852089), (70, 730362), (84, 608635), (105, 486908), (140, 365181), (210, 243454), (420, 121727)]