81405510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{117979}}^1$

素因数の和:118012

約数の個数: 32

約数和(自身を含む): 203869440

約数和(自身を除く): 122463930

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 117979, 235958, 353937, 589895, 707874, 1179790, 1769685, 2713517, 3539370, 5427034, 8140551, 13567585, 16281102, 27135170, 40702755, 81405510]

約数ペア:

[(1, 81405510), (2, 40702755), (3, 27135170), (5, 16281102), (6, 13567585), (10, 8140551), (15, 5427034), (23, 3539370), (30, 2713517), (46, 1769685), (69, 1179790), (115, 707874), (138, 589895), (230, 353937), (345, 235958), (690, 117979)]