51813780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12889}}^1$

素因数の和:12968

約数の個数: 48

約数和(自身を含む): 147255360

約数和(自身を除く): 95441580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 12889, 25778, 38667, 51556, 64445, 77334, 128890, 154668, 193335, 257780, 386670, 773340, 863563, 1727126, 2590689, 3454252, 4317815, 5181378, 8635630, 10362756, 12953445, 17271260, 25906890, 51813780]

約数ペア:

[(1, 51813780), (2, 25906890), (3, 17271260), (4, 12953445), (5, 10362756), (6, 8635630), (10, 5181378), (12, 4317815), (15, 3454252), (20, 2590689), (30, 1727126), (60, 863563), (67, 773340), (134, 386670), (201, 257780), (268, 193335), (335, 154668), (402, 128890), (670, 77334), (804, 64445), (1005, 51556), (1340, 38667), (2010, 25778), (4020, 12889)]