808380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{499}}^1$

素因数の和:520

約数の個数: 60

約数和(自身を含む): 2541000

約数和(自身を除く): 1732620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 499, 540, 810, 998, 1497, 1620, 1996, 2495, 2994, 4491, 4990, 5988, 7485, 8982, 9980, 13473, 14970, 17964, 22455, 26946, 29940, 40419, 44910, 53892, 67365, 80838, 89820, 134730, 161676, 202095, 269460, 404190, 808380]

約数ペア:

[(1, 808380), (2, 404190), (3, 269460), (4, 202095), (5, 161676), (6, 134730), (9, 89820), (10, 80838), (12, 67365), (15, 53892), (18, 44910), (20, 40419), (27, 29940), (30, 26946), (36, 22455), (45, 17964), (54, 14970), (60, 13473), (81, 9980), (90, 8982), (108, 7485), (135, 5988), (162, 4990), (180, 4491), (270, 2994), (324, 2495), (405, 1996), (499, 1620), (540, 1497), (810, 998)]