81455340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1357589}}^1$

素因数の和:1357601

約数の個数: 24

約数和(自身を含む): 228075120

約数和(自身を除く): 146619780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1357589, 2715178, 4072767, 5430356, 6787945, 8145534, 13575890, 16291068, 20363835, 27151780, 40727670, 81455340]

約数ペア:

[(1, 81455340), (2, 40727670), (3, 27151780), (4, 20363835), (5, 16291068), (6, 13575890), (10, 8145534), (12, 6787945), (15, 5430356), (20, 4072767), (30, 2715178), (60, 1357589)]