261545009640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2179541747}}^1$

素因数の和:2179541761

約数の個数: 32

約数和(自身を含む): 784635029280

約数和(自身を除く): 523090019640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2179541747, 4359083494, 6538625241, 8718166988, 10897708735, 13077250482, 17436333976, 21795417470, 26154500964, 32693126205, 43590834940, 52309001928, 65386252410, 87181669880, 130772504820, 261545009640]

約数ペア:

[(1, 261545009640), (2, 130772504820), (3, 87181669880), (4, 65386252410), (5, 52309001928), (6, 43590834940), (8, 32693126205), (10, 26154500964), (12, 21795417470), (15, 17436333976), (20, 13077250482), (24, 10897708735), (30, 8718166988), (40, 6538625241), (60, 4359083494), (120, 2179541747)]