81752820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71713}}^1$

素因数の和:71744

約数の個数: 48

約数和(自身を含む): 240959040

約数和(自身を除く): 159206220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71713, 143426, 215139, 286852, 358565, 430278, 717130, 860556, 1075695, 1362547, 1434260, 2151390, 2725094, 4087641, 4302780, 5450188, 6812735, 8175282, 13625470, 16350564, 20438205, 27250940, 40876410, 81752820]

約数ペア:

[(1, 81752820), (2, 40876410), (3, 27250940), (4, 20438205), (5, 16350564), (6, 13625470), (10, 8175282), (12, 6812735), (15, 5450188), (19, 4302780), (20, 4087641), (30, 2725094), (38, 2151390), (57, 1434260), (60, 1362547), (76, 1075695), (95, 860556), (114, 717130), (190, 430278), (228, 358565), (285, 286852), (380, 215139), (570, 143426), (1140, 71713)]