72464840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258803}}^1$

素因数の和:258821

約数の個数: 32

約数和(自身を含む): 186338880

約数和(自身を除く): 113874040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258803, 517606, 1035212, 1294015, 1811621, 2070424, 2588030, 3623242, 5176060, 7246484, 9058105, 10352120, 14492968, 18116210, 36232420, 72464840]

約数ペア:

[(1, 72464840), (2, 36232420), (4, 18116210), (5, 14492968), (7, 10352120), (8, 9058105), (10, 7246484), (14, 5176060), (20, 3623242), (28, 2588030), (35, 2070424), (40, 1811621), (56, 1294015), (70, 1035212), (140, 517606), (280, 258803)]