31511280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131297}}^1$

素因数の和:131313

約数の個数: 40

約数和(自身を含む): 97685712

約数和(自身を除く): 66174432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 131297, 262594, 393891, 525188, 656485, 787782, 1050376, 1312970, 1575564, 1969455, 2100752, 2625940, 3151128, 3938910, 5251880, 6302256, 7877820, 10503760, 15755640, 31511280]

約数ペア:

[(1, 31511280), (2, 15755640), (3, 10503760), (4, 7877820), (5, 6302256), (6, 5251880), (8, 3938910), (10, 3151128), (12, 2625940), (15, 2100752), (16, 1969455), (20, 1575564), (24, 1312970), (30, 1050376), (40, 787782), (48, 656485), (60, 525188), (80, 393891), (120, 262594), (240, 131297)]