320251328

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 84

約数和(自身を含む): 677972736

約数和(自身を除く): 357721408

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 127, 164, 248, 254, 328, 496, 508, 656, 961, 992, 1016, 1271, 1312, 1922, 1984, 2032, 2542, 2624, 3844, 3937, 4064, 5084, 5207, 7688, 7874, 8128, 10168, 10414, 15376, 15748, 20336, 20828, 30752, 31496, 39401, 40672, 41656, 61504, 62992, 78802, 81344, 83312, 122047, 125984, 157604, 161417, 166624, 244094, 251968, 315208, 322834, 333248, 488188, 630416, 645668, 976376, 1260832, 1291336, 1952752, 2521664, 2582672, 3905504, 5003927, 5165344, 7811008, 10007854, 10330688, 20015708, 40031416, 80062832, 160125664, 320251328]

約数ペア:

[(1, 320251328), (2, 160125664), (4, 80062832), (8, 40031416), (16, 20015708), (31, 10330688), (32, 10007854), (41, 7811008), (62, 5165344), (64, 5003927), (82, 3905504), (124, 2582672), (127, 2521664), (164, 1952752), (248, 1291336), (254, 1260832), (328, 976376), (496, 645668), (508, 630416), (656, 488188), (961, 333248), (992, 322834), (1016, 315208), (1271, 251968), (1312, 244094), (1922, 166624), (1984, 161417), (2032, 157604), (2542, 125984), (2624, 122047), (3844, 83312), (3937, 81344), (4064, 78802), (5084, 62992), (5207, 61504), (7688, 41656), (7874, 40672), (8128, 39401), (10168, 31496), (10414, 30752), (15376, 20828), (15748, 20336)]