538920

素因数分解:

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

素因数の和:519

約数の個数: 64

約数和(自身を含む): 1800000

約数和(自身を除く): 1261080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 499, 540, 998, 1080, 1497, 1996, 2495, 2994, 3992, 4491, 4990, 5988, 7485, 8982, 9980, 11976, 13473, 14970, 17964, 19960, 22455, 26946, 29940, 35928, 44910, 53892, 59880, 67365, 89820, 107784, 134730, 179640, 269460, 538920]

約数ペア:

[(1, 538920), (2, 269460), (3, 179640), (4, 134730), (5, 107784), (6, 89820), (8, 67365), (9, 59880), (10, 53892), (12, 44910), (15, 35928), (18, 29940), (20, 26946), (24, 22455), (27, 19960), (30, 17964), (36, 14970), (40, 13473), (45, 11976), (54, 9980), (60, 8982), (72, 7485), (90, 5988), (108, 4990), (120, 4491), (135, 3992), (180, 2994), (216, 2495), (270, 1996), (360, 1497), (499, 1080), (540, 998)]