239520

素因数分解:

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

素因数の和:517

約数の個数: 48

約数和(自身を含む): 756000

約数和(自身を除く): 516480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 499, 998, 1497, 1996, 2495, 2994, 3992, 4990, 5988, 7485, 7984, 9980, 11976, 14970, 15968, 19960, 23952, 29940, 39920, 47904, 59880, 79840, 119760, 239520]

約数ペア:

[(1, 239520), (2, 119760), (3, 79840), (4, 59880), (5, 47904), (6, 39920), (8, 29940), (10, 23952), (12, 19960), (15, 15968), (16, 14970), (20, 11976), (24, 9980), (30, 7984), (32, 7485), (40, 5988), (48, 4990), (60, 3992), (80, 2994), (96, 2495), (120, 1996), (160, 1497), (240, 998), (480, 499)]