161185920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 256

約数和(自身を含む): 599270400

約数和(自身を除く): 438084480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 67, 70, 80, 84, 96, 105, 112, 120, 128, 134, 140, 160, 168, 179, 192, 201, 210, 224, 240, 268, 280, 320, 335, 336, 358, 384, 402, 420, 448, 469, 480, 536, 537, 560, 640, 670, 672, 716, 804, 840, 895, 896, 938, 960, 1005, 1072, 1074, 1120, 1253, 1340, 1344, 1407, 1432, 1608, 1680, 1790, 1876, 1920, 2010, 2144, 2148, 2240, 2345, 2506, 2680, 2685, 2688, 2814, 2864, 3216, 3360, 3580, 3752, 3759, 4020, 4288, 4296, 4480, 4690, 5012, 5360, 5370, 5628, 5728, 6265, 6432, 6720, 7035, 7160, 7504, 7518, 8040, 8576, 8592, 9380, 10024, 10720, 10740, 11256, 11456, 11993, 12530, 12864, 13440, 14070, 14320, 15008, 15036, 16080, 17184, 18760, 18795, 20048, 21440, 21480, 22512, 22912, 23986, 25060, 25728, 28140, 28640, 30016, 30072, 32160, 34368, 35979, 37520, 37590, 40096, 42880, 42960, 45024, 47972, 50120, 56280, 57280, 59965, 60032, 60144, 64320, 68736, 71958, 75040, 75180, 80192, 83951, 85920, 90048, 95944, 100240, 112560, 114560, 119930, 120288, 128640, 143916, 150080, 150360, 160384, 167902, 171840, 179895, 180096, 191888, 200480, 225120, 239860, 240576, 251853, 287832, 300160, 300720, 335804, 343680, 359790, 383776, 400960, 419755, 450240, 479720, 481152, 503706, 575664, 601440, 671608, 719580, 767552, 801920, 839510, 900480, 959440, 1007412, 1151328, 1202880, 1259265, 1343216, 1439160, 1535104, 1679020, 1918880, 2014824, 2302656, 2405760, 2518530, 2686432, 2878320, 3358040, 3837760, 4029648, 4605312, 5037060, 5372864, 5756640, 6716080, 7675520, 8059296, 10074120, 10745728, 11513280, 13432160, 16118592, 20148240, 23026560, 26864320, 32237184, 40296480, 53728640, 80592960, 161185920]

約数ペア:

[(1, 161185920), (2, 80592960), (3, 53728640), (4, 40296480), (5, 32237184), (6, 26864320), (7, 23026560), (8, 20148240), (10, 16118592), (12, 13432160), (14, 11513280), (15, 10745728), (16, 10074120), (20, 8059296), (21, 7675520), (24, 6716080), (28, 5756640), (30, 5372864), (32, 5037060), (35, 4605312), (40, 4029648), (42, 3837760), (48, 3358040), (56, 2878320), (60, 2686432), (64, 2518530), (67, 2405760), (70, 2302656), (80, 2014824), (84, 1918880), (96, 1679020), (105, 1535104), (112, 1439160), (120, 1343216), (128, 1259265), (134, 1202880), (140, 1151328), (160, 1007412), (168, 959440), (179, 900480), (192, 839510), (201, 801920), (210, 767552), (224, 719580), (240, 671608), (268, 601440), (280, 575664), (320, 503706), (335, 481152), (336, 479720), (358, 450240), (384, 419755), (402, 400960), (420, 383776), (448, 359790), (469, 343680), (480, 335804), (536, 300720), (537, 300160), (560, 287832), (640, 251853), (670, 240576), (672, 239860), (716, 225120), (804, 200480), (840, 191888), (895, 180096), (896, 179895), (938, 171840), (960, 167902), (1005, 160384), (1072, 150360), (1074, 150080), (1120, 143916), (1253, 128640), (1340, 120288), (1344, 119930), (1407, 114560), (1432, 112560), (1608, 100240), (1680, 95944), (1790, 90048), (1876, 85920), (1920, 83951), (2010, 80192), (2144, 75180), (2148, 75040), (2240, 71958), (2345, 68736), (2506, 64320), (2680, 60144), (2685, 60032), (2688, 59965), (2814, 57280), (2864, 56280), (3216, 50120), (3360, 47972), (3580, 45024), (3752, 42960), (3759, 42880), (4020, 40096), (4288, 37590), (4296, 37520), (4480, 35979), (4690, 34368), (5012, 32160), (5360, 30072), (5370, 30016), (5628, 28640), (5728, 28140), (6265, 25728), (6432, 25060), (6720, 23986), (7035, 22912), (7160, 22512), (7504, 21480), (7518, 21440), (8040, 20048), (8576, 18795), (8592, 18760), (9380, 17184), (10024, 16080), (10720, 15036), (10740, 15008), (11256, 14320), (11456, 14070), (11993, 13440), (12530, 12864)]