81854790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{51481}}^1$

素因数の和:51544

約数の個数: 32

約数和(自身を含む): 200162016

約数和(自身を除く): 118307226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 51481, 102962, 154443, 257405, 308886, 514810, 772215, 1544430, 2728493, 5456986, 8185479, 13642465, 16370958, 27284930, 40927395, 81854790]

約数ペア:

[(1, 81854790), (2, 40927395), (3, 27284930), (5, 16370958), (6, 13642465), (10, 8185479), (15, 5456986), (30, 2728493), (53, 1544430), (106, 772215), (159, 514810), (265, 308886), (318, 257405), (530, 154443), (795, 102962), (1590, 51481)]