205457640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1059

約数の個数: 128

約数和(自身を含む): 656208000

約数和(自身を除く): 450750360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 97, 114, 120, 152, 190, 194, 228, 285, 291, 380, 388, 456, 485, 570, 582, 760, 776, 929, 970, 1140, 1164, 1455, 1843, 1858, 1940, 2280, 2328, 2787, 2910, 3686, 3716, 3880, 4645, 5529, 5574, 5820, 7372, 7432, 9215, 9290, 11058, 11148, 11640, 13935, 14744, 17651, 18430, 18580, 22116, 22296, 27645, 27870, 35302, 36860, 37160, 44232, 52953, 55290, 55740, 70604, 73720, 88255, 90113, 105906, 110580, 111480, 141208, 176510, 180226, 211812, 221160, 264765, 270339, 353020, 360452, 423624, 450565, 529530, 540678, 706040, 720904, 901130, 1059060, 1081356, 1351695, 1712147, 1802260, 2118120, 2162712, 2703390, 3424294, 3604520, 5136441, 5406780, 6848588, 8560735, 10272882, 10813560, 13697176, 17121470, 20545764, 25682205, 34242940, 41091528, 51364410, 68485880, 102728820, 205457640]

約数ペア:

[(1, 205457640), (2, 102728820), (3, 68485880), (4, 51364410), (5, 41091528), (6, 34242940), (8, 25682205), (10, 20545764), (12, 17121470), (15, 13697176), (19, 10813560), (20, 10272882), (24, 8560735), (30, 6848588), (38, 5406780), (40, 5136441), (57, 3604520), (60, 3424294), (76, 2703390), (95, 2162712), (97, 2118120), (114, 1802260), (120, 1712147), (152, 1351695), (190, 1081356), (194, 1059060), (228, 901130), (285, 720904), (291, 706040), (380, 540678), (388, 529530), (456, 450565), (485, 423624), (570, 360452), (582, 353020), (760, 270339), (776, 264765), (929, 221160), (970, 211812), (1140, 180226), (1164, 176510), (1455, 141208), (1843, 111480), (1858, 110580), (1940, 105906), (2280, 90113), (2328, 88255), (2787, 73720), (2910, 70604), (3686, 55740), (3716, 55290), (3880, 52953), (4645, 44232), (5529, 37160), (5574, 36860), (5820, 35302), (7372, 27870), (7432, 27645), (9215, 22296), (9290, 22116), (11058, 18580), (11148, 18430), (11640, 17651), (13935, 14744)]