64668520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230959}}^1$

素因数の和:230977

約数の個数: 32

約数和(自身を含む): 166291200

約数和(自身を除く): 101622680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230959, 461918, 923836, 1154795, 1616713, 1847672, 2309590, 3233426, 4619180, 6466852, 8083565, 9238360, 12933704, 16167130, 32334260, 64668520]

約数ペア:

[(1, 64668520), (2, 32334260), (4, 16167130), (5, 12933704), (7, 9238360), (8, 8083565), (10, 6466852), (14, 4619180), (20, 3233426), (28, 2309590), (35, 1847672), (40, 1616713), (56, 1154795), (70, 923836), (140, 461918), (280, 230959)]