628691220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{388081}}^1$

素因数の和:388102

約数の個数: 60

約数和(自身を含む): 1972232724

約数和(自身を除く): 1343541504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 388081, 776162, 1164243, 1552324, 1940405, 2328486, 3492729, 3880810, 4656972, 5821215, 6985458, 7761620, 10478187, 11642430, 13970916, 17463645, 20956374, 23284860, 31434561, 34927290, 41912748, 52390935, 62869122, 69854580, 104781870, 125738244, 157172805, 209563740, 314345610, 628691220]

約数ペア:

[(1, 628691220), (2, 314345610), (3, 209563740), (4, 157172805), (5, 125738244), (6, 104781870), (9, 69854580), (10, 62869122), (12, 52390935), (15, 41912748), (18, 34927290), (20, 31434561), (27, 23284860), (30, 20956374), (36, 17463645), (45, 13970916), (54, 11642430), (60, 10478187), (81, 7761620), (90, 6985458), (108, 5821215), (135, 4656972), (162, 3880810), (180, 3492729), (270, 2328486), (324, 1940405), (405, 1552324), (540, 1164243), (810, 776162), (1620, 388081)]