81159420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352657}}^1$

素因数の和:1352669

約数の個数: 24

約数和(自身を含む): 227246544

約数和(自身を除く): 146087124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352657, 2705314, 4057971, 5410628, 6763285, 8115942, 13526570, 16231884, 20289855, 27053140, 40579710, 81159420]

約数ペア:

[(1, 81159420), (2, 40579710), (3, 27053140), (4, 20289855), (5, 16231884), (6, 13526570), (10, 8115942), (12, 6763285), (15, 5410628), (20, 4057971), (30, 2705314), (60, 1352657)]