208331280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289349}}^1$

素因数の和:289368

約数の個数: 60

約数和(自身を含む): 699648300

約数和(自身を除く): 491317020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289349, 578698, 868047, 1157396, 1446745, 1736094, 2314792, 2604141, 2893490, 3472188, 4340235, 4629584, 5208282, 5786980, 6944376, 8680470, 10416564, 11573960, 13020705, 13888752, 17360940, 20833128, 23147920, 26041410, 34721880, 41666256, 52082820, 69443760, 104165640, 208331280]

約数ペア:

[(1, 208331280), (2, 104165640), (3, 69443760), (4, 52082820), (5, 41666256), (6, 34721880), (8, 26041410), (9, 23147920), (10, 20833128), (12, 17360940), (15, 13888752), (16, 13020705), (18, 11573960), (20, 10416564), (24, 8680470), (30, 6944376), (36, 5786980), (40, 5208282), (45, 4629584), (48, 4340235), (60, 3472188), (72, 2893490), (80, 2604141), (90, 2314792), (120, 1736094), (144, 1446745), (180, 1157396), (240, 868047), (360, 578698), (720, 289349)]