120903880

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{3727}}^1$

素因数の和:4549

約数の個数: 32

約数和(自身を含む): 272442240

約数和(自身を除く): 151538360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 3727, 4055, 6488, 7454, 8110, 14908, 16220, 18635, 29816, 32440, 37270, 74540, 149080, 3022597, 6045194, 12090388, 15112985, 24180776, 30225970, 60451940, 120903880]

約数ペア:

[(1, 120903880), (2, 60451940), (4, 30225970), (5, 24180776), (8, 15112985), (10, 12090388), (20, 6045194), (40, 3022597), (811, 149080), (1622, 74540), (3244, 37270), (3727, 32440), (4055, 29816), (6488, 18635), (7454, 16220), (8110, 14908)]