81074580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1351243}}^1$

素因数の和:1351255

約数の個数: 24

約数和(自身を含む): 227008992

約数和(自身を除く): 145934412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1351243, 2702486, 4053729, 5404972, 6756215, 8107458, 13512430, 16214916, 20268645, 27024860, 40537290, 81074580]

約数ペア:

[(1, 81074580), (2, 40537290), (3, 27024860), (4, 20268645), (5, 16214916), (6, 13512430), (10, 8107458), (12, 6756215), (15, 5404972), (20, 4053729), (30, 2702486), (60, 1351243)]