30120545

素因数分解:

$5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 45645096

約数和(自身を除く): 15524551

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 193, 245, 343, 455, 637, 965, 1351, 1715, 2401, 2509, 3185, 4459, 6755, 9457, 12005, 12545, 17563, 22295, 31213, 47285, 66199, 87815, 122941, 156065, 330995, 463393, 614705, 860587, 2316965, 4302935, 6024109, 30120545]

約数ペア:

[(1, 30120545), (5, 6024109), (7, 4302935), (13, 2316965), (35, 860587), (49, 614705), (65, 463393), (91, 330995), (193, 156065), (245, 122941), (343, 87815), (455, 66199), (637, 47285), (965, 31213), (1351, 22295), (1715, 17563), (2401, 12545), (2509, 12005), (3185, 9457), (4459, 6755)]