80906560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1944

約数の個数: 112

約数和(自身を含む): 231891840

約数和(自身を除く): 150985280

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, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 1901, 2128, 2240, 2660, 3040, 3802, 4256, 5320, 6080, 7604, 8512, 9505, 10640, 13307, 15208, 19010, 21280, 26614, 30416, 36119, 38020, 42560, 53228, 60832, 66535, 72238, 76040, 106456, 121664, 133070, 144476, 152080, 180595, 212912, 252833, 266140, 288952, 304160, 361190, 425824, 505666, 532280, 577904, 608320, 722380, 851648, 1011332, 1064560, 1155808, 1264165, 1444760, 2022664, 2129120, 2311616, 2528330, 2889520, 4045328, 4258240, 5056660, 5779040, 8090656, 10113320, 11558080, 16181312, 20226640, 40453280, 80906560]

約数ペア:

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