1540781620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11005583}}^1$

素因数の和:11005599

約数の個数: 24

約数和(自身を含む): 3697876224

約数和(自身を除く): 2157094604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11005583, 22011166, 44022332, 55027915, 77039081, 110055830, 154078162, 220111660, 308156324, 385195405, 770390810, 1540781620]

約数ペア:

[(1, 1540781620), (2, 770390810), (4, 385195405), (5, 308156324), (7, 220111660), (10, 154078162), (14, 110055830), (20, 77039081), (28, 55027915), (35, 44022332), (70, 22011166), (140, 11005583)]