72618220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 162751680

約数和(自身を除く): 90133460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 1559, 2329, 2740, 3118, 4658, 6236, 7795, 9316, 11645, 15590, 23290, 26503, 31180, 46580, 53006, 106012, 132515, 213583, 265030, 427166, 530060, 854332, 1067915, 2135830, 3630911, 4271660, 7261822, 14523644, 18154555, 36309110, 72618220]

約数ペア:

[(1, 72618220), (2, 36309110), (4, 18154555), (5, 14523644), (10, 7261822), (17, 4271660), (20, 3630911), (34, 2135830), (68, 1067915), (85, 854332), (137, 530060), (170, 427166), (274, 265030), (340, 213583), (548, 132515), (685, 106012), (1370, 53006), (1559, 46580), (2329, 31180), (2740, 26503), (3118, 23290), (4658, 15590), (6236, 11645), (7795, 9316)]