121972590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71329}}^1$

素因数の和:71361

約数の個数: 48

約数和(自身を含む): 333824400

約数和(自身を除く): 211851810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 71329, 142658, 213987, 356645, 427974, 641961, 713290, 1069935, 1283922, 1355251, 2139870, 2710502, 3209805, 4065753, 6419610, 6776255, 8131506, 12197259, 13552510, 20328765, 24394518, 40657530, 60986295, 121972590]

約数ペア:

[(1, 121972590), (2, 60986295), (3, 40657530), (5, 24394518), (6, 20328765), (9, 13552510), (10, 12197259), (15, 8131506), (18, 6776255), (19, 6419610), (30, 4065753), (38, 3209805), (45, 2710502), (57, 2139870), (90, 1355251), (95, 1283922), (114, 1069935), (171, 713290), (190, 641961), (285, 427974), (342, 356645), (570, 213987), (855, 142658), (1710, 71329)]