31394280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{261619}}^1$

素因数の和:261633

約数の個数: 32

約数和(自身を含む): 94183200

約数和(自身を除く): 62788920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 261619, 523238, 784857, 1046476, 1308095, 1569714, 2092952, 2616190, 3139428, 3924285, 5232380, 6278856, 7848570, 10464760, 15697140, 31394280]

約数ペア:

[(1, 31394280), (2, 15697140), (3, 10464760), (4, 7848570), (5, 6278856), (6, 5232380), (8, 3924285), (10, 3139428), (12, 2616190), (15, 2092952), (20, 1569714), (24, 1308095), (30, 1046476), (40, 784857), (60, 523238), (120, 261619)]