2574840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 7920000

約数和(自身を除く): 5345160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 499, 516, 645, 860, 998, 1032, 1290, 1497, 1720, 1996, 2495, 2580, 2994, 3992, 4990, 5160, 5988, 7485, 9980, 11976, 14970, 19960, 21457, 29940, 42914, 59880, 64371, 85828, 107285, 128742, 171656, 214570, 257484, 321855, 429140, 514968, 643710, 858280, 1287420, 2574840]

約数ペア:

[(1, 2574840), (2, 1287420), (3, 858280), (4, 643710), (5, 514968), (6, 429140), (8, 321855), (10, 257484), (12, 214570), (15, 171656), (20, 128742), (24, 107285), (30, 85828), (40, 64371), (43, 59880), (60, 42914), (86, 29940), (120, 21457), (129, 19960), (172, 14970), (215, 11976), (258, 9980), (344, 7485), (430, 5988), (499, 5160), (516, 4990), (645, 3992), (860, 2994), (998, 2580), (1032, 2495), (1290, 1996), (1497, 1720)]