161813120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1946

約数の個数: 128

約数和(自身を含む): 465609600

約数和(自身を除く): 303796480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 1901, 2128, 2240, 2432, 2660, 3040, 3802, 4256, 4480, 5320, 6080, 7604, 8512, 9505, 10640, 12160, 13307, 15208, 17024, 19010, 21280, 26614, 30416, 36119, 38020, 42560, 53228, 60832, 66535, 72238, 76040, 85120, 106456, 121664, 133070, 144476, 152080, 180595, 212912, 243328, 252833, 266140, 288952, 304160, 361190, 425824, 505666, 532280, 577904, 608320, 722380, 851648, 1011332, 1064560, 1155808, 1216640, 1264165, 1444760, 1703296, 2022664, 2129120, 2311616, 2528330, 2889520, 4045328, 4258240, 4623232, 5056660, 5779040, 8090656, 8516480, 10113320, 11558080, 16181312, 20226640, 23116160, 32362624, 40453280, 80906560, 161813120]

約数ペア:

[(1, 161813120), (2, 80906560), (4, 40453280), (5, 32362624), (7, 23116160), (8, 20226640), (10, 16181312), (14, 11558080), (16, 10113320), (19, 8516480), (20, 8090656), (28, 5779040), (32, 5056660), (35, 4623232), (38, 4258240), (40, 4045328), (56, 2889520), (64, 2528330), (70, 2311616), (76, 2129120), (80, 2022664), (95, 1703296), (112, 1444760), (128, 1264165), (133, 1216640), (140, 1155808), (152, 1064560), (160, 1011332), (190, 851648), (224, 722380), (266, 608320), (280, 577904), (304, 532280), (320, 505666), (380, 425824), (448, 361190), (532, 304160), (560, 288952), (608, 266140), (640, 252833), (665, 243328), (760, 212912), (896, 180595), (1064, 152080), (1120, 144476), (1216, 133070), (1330, 121664), (1520, 106456), (1901, 85120), (2128, 76040), (2240, 72238), (2432, 66535), (2660, 60832), (3040, 53228), (3802, 42560), (4256, 38020), (4480, 36119), (5320, 30416), (6080, 26614), (7604, 21280), (8512, 19010), (9505, 17024), (10640, 15208), (12160, 13307)]