64755880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231271}}^1$

素因数の和:231289

約数の個数: 32

約数和(自身を含む): 166515840

約数和(自身を除く): 101759960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231271, 462542, 925084, 1156355, 1618897, 1850168, 2312710, 3237794, 4625420, 6475588, 8094485, 9250840, 12951176, 16188970, 32377940, 64755880]

約数ペア:

[(1, 64755880), (2, 32377940), (4, 16188970), (5, 12951176), (7, 9250840), (8, 8094485), (10, 6475588), (14, 4625420), (20, 3237794), (28, 2312710), (35, 1850168), (40, 1618897), (56, 1156355), (70, 925084), (140, 462542), (280, 231271)]