31481880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{262349}}^1$

素因数の和:262363

約数の個数: 32

約数和(自身を含む): 94446000

約数和(自身を除く): 62964120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 262349, 524698, 787047, 1049396, 1311745, 1574094, 2098792, 2623490, 3148188, 3935235, 5246980, 6296376, 7870470, 10493960, 15740940, 31481880]

約数ペア:

[(1, 31481880), (2, 15740940), (3, 10493960), (4, 7870470), (5, 6296376), (6, 5246980), (8, 3935235), (10, 3148188), (12, 2623490), (15, 2098792), (20, 1574094), (24, 1311745), (30, 1049396), (40, 787047), (60, 524698), (120, 262349)]