61343020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 136936800

約数和(自身を除く): 75593780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 1481, 2071, 2180, 2962, 4142, 5924, 7405, 8284, 10355, 14810, 20710, 28139, 29620, 41420, 56278, 112556, 140695, 161429, 281390, 322858, 562780, 645716, 807145, 1614290, 3067151, 3228580, 6134302, 12268604, 15335755, 30671510, 61343020]

約数ペア:

[(1, 61343020), (2, 30671510), (4, 15335755), (5, 12268604), (10, 6134302), (19, 3228580), (20, 3067151), (38, 1614290), (76, 807145), (95, 645716), (109, 562780), (190, 322858), (218, 281390), (380, 161429), (436, 140695), (545, 112556), (1090, 56278), (1481, 41420), (2071, 29620), (2180, 28139), (2962, 20710), (4142, 14810), (5924, 10355), (7405, 8284)]