128309460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2138491}}^1$

素因数の和:2138503

約数の個数: 24

約数和(自身を含む): 359266656

約数和(自身を除く): 230957196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2138491, 4276982, 6415473, 8553964, 10692455, 12830946, 21384910, 25661892, 32077365, 42769820, 64154730, 128309460]

約数ペア:

[(1, 128309460), (2, 64154730), (3, 42769820), (4, 32077365), (5, 25661892), (6, 21384910), (10, 12830946), (12, 10692455), (15, 8553964), (20, 6415473), (30, 4276982), (60, 2138491)]