204665580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1428

約数の個数: 144

約数和(自身を含む): 715653120

約数和(自身を除く): 510987540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1279, 1524, 1778, 1905, 2286, 2540, 2558, 2667, 3556, 3810, 3837, 4445, 4572, 5116, 5334, 5715, 6395, 7620, 7674, 8001, 8890, 8953, 10668, 11430, 11511, 12790, 13335, 15348, 16002, 17780, 17906, 19185, 22860, 23022, 25580, 26670, 26859, 32004, 35812, 38370, 40005, 44765, 46044, 53340, 53718, 57555, 76740, 80010, 80577, 89530, 107436, 115110, 134295, 160020, 161154, 162433, 179060, 230220, 268590, 322308, 324866, 402885, 487299, 537180, 649732, 805770, 812165, 974598, 1137031, 1461897, 1611540, 1624330, 1949196, 2274062, 2436495, 2923794, 3248660, 3411093, 4548124, 4872990, 5685155, 5847588, 6822186, 7309485, 9745980, 10233279, 11370310, 13644372, 14618970, 17055465, 20466558, 22740620, 29237940, 34110930, 40933116, 51166395, 68221860, 102332790, 204665580]

約数ペア:

[(1, 204665580), (2, 102332790), (3, 68221860), (4, 51166395), (5, 40933116), (6, 34110930), (7, 29237940), (9, 22740620), (10, 20466558), (12, 17055465), (14, 14618970), (15, 13644372), (18, 11370310), (20, 10233279), (21, 9745980), (28, 7309485), (30, 6822186), (35, 5847588), (36, 5685155), (42, 4872990), (45, 4548124), (60, 3411093), (63, 3248660), (70, 2923794), (84, 2436495), (90, 2274062), (105, 1949196), (126, 1624330), (127, 1611540), (140, 1461897), (180, 1137031), (210, 974598), (252, 812165), (254, 805770), (315, 649732), (381, 537180), (420, 487299), (508, 402885), (630, 324866), (635, 322308), (762, 268590), (889, 230220), (1143, 179060), (1260, 162433), (1270, 161154), (1279, 160020), (1524, 134295), (1778, 115110), (1905, 107436), (2286, 89530), (2540, 80577), (2558, 80010), (2667, 76740), (3556, 57555), (3810, 53718), (3837, 53340), (4445, 46044), (4572, 44765), (5116, 40005), (5334, 38370), (5715, 35812), (6395, 32004), (7620, 26859), (7674, 26670), (8001, 25580), (8890, 23022), (8953, 22860), (10668, 19185), (11430, 17906), (11511, 17780), (12790, 16002), (13335, 15348)]