77998920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{649991}}^1$

素因数の和:650005

約数の個数: 32

約数和(自身を含む): 233997120

約数和(自身を除く): 155998200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 649991, 1299982, 1949973, 2599964, 3249955, 3899946, 5199928, 6499910, 7799892, 9749865, 12999820, 15599784, 19499730, 25999640, 38999460, 77998920]

約数ペア:

[(1, 77998920), (2, 38999460), (3, 25999640), (4, 19499730), (5, 15599784), (6, 12999820), (8, 9749865), (10, 7799892), (12, 6499910), (15, 5199928), (20, 3899946), (24, 3249955), (30, 2599964), (40, 1949973), (60, 1299982), (120, 649991)]