2578920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{21491}}^1$

素因数の和:21505

約数の個数: 32

約数和(自身を含む): 7737120

約数和(自身を除く): 5158200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 21491, 42982, 64473, 85964, 107455, 128946, 171928, 214910, 257892, 322365, 429820, 515784, 644730, 859640, 1289460, 2578920]

約数ペア:

[(1, 2578920), (2, 1289460), (3, 859640), (4, 644730), (5, 515784), (6, 429820), (8, 322365), (10, 257892), (12, 214910), (15, 171928), (20, 128946), (24, 107455), (30, 85964), (40, 64473), (60, 42982), (120, 21491)]