205785720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:794

約数の個数: 192

約数和(自身を含む): 771563520

約数和(自身を除く): 565777800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 127, 140, 168, 180, 210, 252, 254, 280, 315, 360, 381, 420, 504, 508, 630, 635, 643, 762, 840, 889, 1016, 1143, 1260, 1270, 1286, 1524, 1778, 1905, 1929, 2286, 2520, 2540, 2572, 2667, 3048, 3215, 3556, 3810, 3858, 4445, 4501, 4572, 5080, 5144, 5334, 5715, 5787, 6430, 7112, 7620, 7716, 8001, 8890, 9002, 9144, 9645, 10668, 11430, 11574, 12860, 13335, 13503, 15240, 15432, 16002, 17780, 18004, 19290, 21336, 22505, 22860, 23148, 25720, 26670, 27006, 28935, 32004, 35560, 36008, 38580, 40005, 40509, 45010, 45720, 46296, 53340, 54012, 57870, 64008, 67515, 77160, 80010, 81018, 81661, 90020, 106680, 108024, 115740, 135030, 160020, 162036, 163322, 180040, 202545, 231480, 244983, 270060, 320040, 324072, 326644, 405090, 408305, 489966, 540120, 571627, 653288, 734949, 810180, 816610, 979932, 1143254, 1224915, 1469898, 1620360, 1633220, 1714881, 1959864, 2286508, 2449830, 2858135, 2939796, 3266440, 3429762, 3674745, 4573016, 4899660, 5144643, 5716270, 5879592, 6859524, 7349490, 8574405, 9799320, 10289286, 11432540, 13719048, 14698980, 17148810, 20578572, 22865080, 25723215, 29397960, 34297620, 41157144, 51446430, 68595240, 102892860, 205785720]

約数ペア:

[(1, 205785720), (2, 102892860), (3, 68595240), (4, 51446430), (5, 41157144), (6, 34297620), (7, 29397960), (8, 25723215), (9, 22865080), (10, 20578572), (12, 17148810), (14, 14698980), (15, 13719048), (18, 11432540), (20, 10289286), (21, 9799320), (24, 8574405), (28, 7349490), (30, 6859524), (35, 5879592), (36, 5716270), (40, 5144643), (42, 4899660), (45, 4573016), (56, 3674745), (60, 3429762), (63, 3266440), (70, 2939796), (72, 2858135), (84, 2449830), (90, 2286508), (105, 1959864), (120, 1714881), (126, 1633220), (127, 1620360), (140, 1469898), (168, 1224915), (180, 1143254), (210, 979932), (252, 816610), (254, 810180), (280, 734949), (315, 653288), (360, 571627), (381, 540120), (420, 489966), (504, 408305), (508, 405090), (630, 326644), (635, 324072), (643, 320040), (762, 270060), (840, 244983), (889, 231480), (1016, 202545), (1143, 180040), (1260, 163322), (1270, 162036), (1286, 160020), (1524, 135030), (1778, 115740), (1905, 108024), (1929, 106680), (2286, 90020), (2520, 81661), (2540, 81018), (2572, 80010), (2667, 77160), (3048, 67515), (3215, 64008), (3556, 57870), (3810, 54012), (3858, 53340), (4445, 46296), (4501, 45720), (4572, 45010), (5080, 40509), (5144, 40005), (5334, 38580), (5715, 36008), (5787, 35560), (6430, 32004), (7112, 28935), (7620, 27006), (7716, 26670), (8001, 25720), (8890, 23148), (9002, 22860), (9144, 22505), (9645, 21336), (10668, 19290), (11430, 18004), (11574, 17780), (12860, 16002), (13335, 15432), (13503, 15240)]