171825920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 477216768

約数和(自身を除く): 305390848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 151, 160, 224, 254, 256, 280, 302, 320, 448, 508, 560, 604, 635, 640, 755, 889, 896, 1016, 1057, 1120, 1208, 1270, 1280, 1510, 1778, 1792, 2032, 2114, 2240, 2416, 2540, 3020, 3556, 4064, 4228, 4445, 4480, 4832, 5080, 5285, 6040, 7112, 8128, 8456, 8890, 8960, 9664, 10160, 10570, 12080, 14224, 16256, 16912, 17780, 19177, 19328, 20320, 21140, 24160, 28448, 32512, 33824, 35560, 38354, 38656, 40640, 42280, 48320, 56896, 67648, 71120, 76708, 81280, 84560, 95885, 96640, 113792, 134239, 135296, 142240, 153416, 162560, 169120, 191770, 193280, 227584, 268478, 270592, 284480, 306832, 338240, 383540, 536956, 568960, 613664, 671195, 676480, 767080, 1073912, 1137920, 1227328, 1342390, 1352960, 1534160, 2147824, 2454656, 2684780, 3068320, 4295648, 4909312, 5369560, 6136640, 8591296, 10739120, 12273280, 17182592, 21478240, 24546560, 34365184, 42956480, 85912960, 171825920]

約数ペア:

[(1, 171825920), (2, 85912960), (4, 42956480), (5, 34365184), (7, 24546560), (8, 21478240), (10, 17182592), (14, 12273280), (16, 10739120), (20, 8591296), (28, 6136640), (32, 5369560), (35, 4909312), (40, 4295648), (56, 3068320), (64, 2684780), (70, 2454656), (80, 2147824), (112, 1534160), (127, 1352960), (128, 1342390), (140, 1227328), (151, 1137920), (160, 1073912), (224, 767080), (254, 676480), (256, 671195), (280, 613664), (302, 568960), (320, 536956), (448, 383540), (508, 338240), (560, 306832), (604, 284480), (635, 270592), (640, 268478), (755, 227584), (889, 193280), (896, 191770), (1016, 169120), (1057, 162560), (1120, 153416), (1208, 142240), (1270, 135296), (1280, 134239), (1510, 113792), (1778, 96640), (1792, 95885), (2032, 84560), (2114, 81280), (2240, 76708), (2416, 71120), (2540, 67648), (3020, 56896), (3556, 48320), (4064, 42280), (4228, 40640), (4445, 38656), (4480, 38354), (4832, 35560), (5080, 33824), (5285, 32512), (6040, 28448), (7112, 24160), (8128, 21140), (8456, 20320), (8890, 19328), (8960, 19177), (9664, 17780), (10160, 16912), (10570, 16256), (12080, 14224)]