71267220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1409}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 217100520

約数和(自身を除く): 145833300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1409, 1686, 2529, 2810, 2818, 3372, 4215, 4227, 5058, 5620, 5636, 7045, 8430, 8454, 10116, 12645, 12681, 14090, 16860, 16908, 21135, 25290, 25362, 28180, 42270, 50580, 50724, 63405, 84540, 126810, 253620, 395929, 791858, 1187787, 1583716, 1979645, 2375574, 3563361, 3959290, 4751148, 5938935, 7126722, 7918580, 11877870, 14253444, 17816805, 23755740, 35633610, 71267220]

約数ペア:

[(1, 71267220), (2, 35633610), (3, 23755740), (4, 17816805), (5, 14253444), (6, 11877870), (9, 7918580), (10, 7126722), (12, 5938935), (15, 4751148), (18, 3959290), (20, 3563361), (30, 2375574), (36, 1979645), (45, 1583716), (60, 1187787), (90, 791858), (180, 395929), (281, 253620), (562, 126810), (843, 84540), (1124, 63405), (1405, 50724), (1409, 50580), (1686, 42270), (2529, 28180), (2810, 25362), (2818, 25290), (3372, 21135), (4215, 16908), (4227, 16860), (5058, 14090), (5620, 12681), (5636, 12645), (7045, 10116), (8430, 8454)]