31250280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260419}}^1$

素因数の和:260433

約数の個数: 32

約数和(自身を含む): 93751200

約数和(自身を除く): 62500920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260419, 520838, 781257, 1041676, 1302095, 1562514, 2083352, 2604190, 3125028, 3906285, 5208380, 6250056, 7812570, 10416760, 15625140, 31250280]

約数ペア:

[(1, 31250280), (2, 15625140), (3, 10416760), (4, 7812570), (5, 6250056), (6, 5208380), (8, 3906285), (10, 3125028), (12, 2604190), (15, 2083352), (20, 1562514), (24, 1302095), (30, 1041676), (40, 781257), (60, 520838), (120, 260419)]