30538920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{254491}}^1$

素因数の和:254505

約数の個数: 32

約数和(自身を含む): 91617120

約数和(自身を除く): 61078200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 254491, 508982, 763473, 1017964, 1272455, 1526946, 2035928, 2544910, 3053892, 3817365, 5089820, 6107784, 7634730, 10179640, 15269460, 30538920]

約数ペア:

[(1, 30538920), (2, 15269460), (3, 10179640), (4, 7634730), (5, 6107784), (6, 5089820), (8, 3817365), (10, 3053892), (12, 2544910), (15, 2035928), (20, 1526946), (24, 1272455), (30, 1017964), (40, 763473), (60, 508982), (120, 254491)]