90805020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1513417}}^1$

素因数の和:1513429

約数の個数: 24

約数和(自身を含む): 254254224

約数和(自身を除く): 163449204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1513417, 3026834, 4540251, 6053668, 7567085, 9080502, 15134170, 18161004, 22701255, 30268340, 45402510, 90805020]

約数ペア:

[(1, 90805020), (2, 45402510), (3, 30268340), (4, 22701255), (5, 18161004), (6, 15134170), (10, 9080502), (12, 7567085), (15, 6053668), (20, 4540251), (30, 3026834), (60, 1513417)]