205037280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20341}}^1$

素因数の和:20369

約数の個数: 144

約数和(自身を含む): 799684704

約数和(自身を除く): 594647424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20341, 40682, 61023, 81364, 101705, 122046, 142387, 162728, 183069, 203410, 244092, 284774, 305115, 325456, 366138, 406820, 427161, 488184, 569548, 610230, 650912, 711935, 732276, 813640, 854322, 915345, 976368, 1139096, 1220460, 1281483, 1423870, 1464552, 1627280, 1708644, 1830690, 1952736, 2135805, 2278192, 2440920, 2562966, 2847740, 2929104, 3254560, 3417288, 3661380, 4271610, 4556384, 4881840, 5125932, 5695480, 5858208, 6407415, 6834576, 7322760, 8543220, 9763680, 10251864, 11390960, 12814830, 13669152, 14645520, 17086440, 20503728, 22781920, 25629660, 29291040, 34172880, 41007456, 51259320, 68345760, 102518640, 205037280]

約数ペア:

[(1, 205037280), (2, 102518640), (3, 68345760), (4, 51259320), (5, 41007456), (6, 34172880), (7, 29291040), (8, 25629660), (9, 22781920), (10, 20503728), (12, 17086440), (14, 14645520), (15, 13669152), (16, 12814830), (18, 11390960), (20, 10251864), (21, 9763680), (24, 8543220), (28, 7322760), (30, 6834576), (32, 6407415), (35, 5858208), (36, 5695480), (40, 5125932), (42, 4881840), (45, 4556384), (48, 4271610), (56, 3661380), (60, 3417288), (63, 3254560), (70, 2929104), (72, 2847740), (80, 2562966), (84, 2440920), (90, 2278192), (96, 2135805), (105, 1952736), (112, 1830690), (120, 1708644), (126, 1627280), (140, 1464552), (144, 1423870), (160, 1281483), (168, 1220460), (180, 1139096), (210, 976368), (224, 915345), (240, 854322), (252, 813640), (280, 732276), (288, 711935), (315, 650912), (336, 610230), (360, 569548), (420, 488184), (480, 427161), (504, 406820), (560, 366138), (630, 325456), (672, 305115), (720, 284774), (840, 244092), (1008, 203410), (1120, 183069), (1260, 162728), (1440, 142387), (1680, 122046), (2016, 101705), (2520, 81364), (3360, 61023), (5040, 40682), (10080, 20341)]