15815640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131797}}^1$

素因数の和:131811

約数の個数: 32

約数和(自身を含む): 47447280

約数和(自身を除く): 31631640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131797, 263594, 395391, 527188, 658985, 790782, 1054376, 1317970, 1581564, 1976955, 2635940, 3163128, 3953910, 5271880, 7907820, 15815640]

約数ペア:

[(1, 15815640), (2, 7907820), (3, 5271880), (4, 3953910), (5, 3163128), (6, 2635940), (8, 1976955), (10, 1581564), (12, 1317970), (15, 1054376), (20, 790782), (24, 658985), (30, 527188), (40, 395391), (60, 263594), (120, 131797)]