1520781420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{25346357}}^1$

素因数の和:25346369

約数の個数: 24

約数和(自身を含む): 4258188144

約数和(自身を除く): 2737406724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 25346357, 50692714, 76039071, 101385428, 126731785, 152078142, 253463570, 304156284, 380195355, 506927140, 760390710, 1520781420]

約数ペア:

[(1, 1520781420), (2, 760390710), (3, 506927140), (4, 380195355), (5, 304156284), (6, 253463570), (10, 152078142), (12, 126731785), (15, 101385428), (20, 76039071), (30, 50692714), (60, 25346357)]