209910960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13883}}^1$

素因数の和:13912

約数の個数: 160

約数和(自身を含む): 826375680

約数和(自身を除く): 616464720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 13883, 15120, 27766, 41649, 55532, 69415, 83298, 97181, 111064, 124947, 138830, 166596, 194362, 208245, 222128, 249894, 277660, 291543, 333192, 374841, 388724, 416490, 485905, 499788, 555320, 583086, 624735, 666384, 749682, 777448, 832980, 874629, 971810, 999576, 1110640, 1166172, 1249470, 1457715, 1499364, 1554896, 1665960, 1749258, 1874205, 1943620, 1999152, 2332344, 2498940, 2623887, 2915430, 2998728, 3331920, 3498516, 3748410, 3887240, 4373145, 4664688, 4997880, 5247774, 5830860, 5997456, 6997032, 7496820, 7774480, 8746290, 9995760, 10495548, 11661720, 13119435, 13994064, 14993640, 17492580, 20991096, 23323440, 26238870, 29987280, 34985160, 41982192, 52477740, 69970320, 104955480, 209910960]

約数ペア:

[(1, 209910960), (2, 104955480), (3, 69970320), (4, 52477740), (5, 41982192), (6, 34985160), (7, 29987280), (8, 26238870), (9, 23323440), (10, 20991096), (12, 17492580), (14, 14993640), (15, 13994064), (16, 13119435), (18, 11661720), (20, 10495548), (21, 9995760), (24, 8746290), (27, 7774480), (28, 7496820), (30, 6997032), (35, 5997456), (36, 5830860), (40, 5247774), (42, 4997880), (45, 4664688), (48, 4373145), (54, 3887240), (56, 3748410), (60, 3498516), (63, 3331920), (70, 2998728), (72, 2915430), (80, 2623887), (84, 2498940), (90, 2332344), (105, 1999152), (108, 1943620), (112, 1874205), (120, 1749258), (126, 1665960), (135, 1554896), (140, 1499364), (144, 1457715), (168, 1249470), (180, 1166172), (189, 1110640), (210, 999576), (216, 971810), (240, 874629), (252, 832980), (270, 777448), (280, 749682), (315, 666384), (336, 624735), (360, 583086), (378, 555320), (420, 499788), (432, 485905), (504, 416490), (540, 388724), (560, 374841), (630, 333192), (720, 291543), (756, 277660), (840, 249894), (945, 222128), (1008, 208245), (1080, 194362), (1260, 166596), (1512, 138830), (1680, 124947), (1890, 111064), (2160, 97181), (2520, 83298), (3024, 69415), (3780, 55532), (5040, 41649), (7560, 27766), (13883, 15120)]