71325520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1901}}^1$

素因数の和:1988

約数の個数: 80

約数和(自身を含む): 192451968

約数和(自身を除く): 121126448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1340, 1876, 1901, 2345, 2680, 3752, 3802, 4690, 5360, 7504, 7604, 9380, 9505, 13307, 15208, 18760, 19010, 26614, 30416, 37520, 38020, 53228, 66535, 76040, 106456, 127367, 133070, 152080, 212912, 254734, 266140, 509468, 532280, 636835, 891569, 1018936, 1064560, 1273670, 1783138, 2037872, 2547340, 3566276, 4457845, 5094680, 7132552, 8915690, 10189360, 14265104, 17831380, 35662760, 71325520]

約数ペア:

[(1, 71325520), (2, 35662760), (4, 17831380), (5, 14265104), (7, 10189360), (8, 8915690), (10, 7132552), (14, 5094680), (16, 4457845), (20, 3566276), (28, 2547340), (35, 2037872), (40, 1783138), (56, 1273670), (67, 1064560), (70, 1018936), (80, 891569), (112, 636835), (134, 532280), (140, 509468), (268, 266140), (280, 254734), (335, 212912), (469, 152080), (536, 133070), (560, 127367), (670, 106456), (938, 76040), (1072, 66535), (1340, 53228), (1876, 38020), (1901, 37520), (2345, 30416), (2680, 26614), (3752, 19010), (3802, 18760), (4690, 15208), (5360, 13307), (7504, 9505), (7604, 9380)]