30740528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 75161856

約数和(自身を除く): 44421328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 491, 559, 602, 688, 728, 982, 1118, 1204, 1456, 1964, 2236, 2408, 3437, 3913, 3928, 4472, 4816, 6383, 6874, 7826, 7856, 8944, 12766, 13748, 15652, 21113, 25532, 27496, 31304, 42226, 44681, 51064, 54992, 62608, 84452, 89362, 102128, 147791, 168904, 178724, 274469, 295582, 337808, 357448, 548938, 591164, 714896, 1097876, 1182328, 1921283, 2195752, 2364656, 3842566, 4391504, 7685132, 15370264, 30740528]

約数ペア:

[(1, 30740528), (2, 15370264), (4, 7685132), (7, 4391504), (8, 3842566), (13, 2364656), (14, 2195752), (16, 1921283), (26, 1182328), (28, 1097876), (43, 714896), (52, 591164), (56, 548938), (86, 357448), (91, 337808), (104, 295582), (112, 274469), (172, 178724), (182, 168904), (208, 147791), (301, 102128), (344, 89362), (364, 84452), (491, 62608), (559, 54992), (602, 51064), (688, 44681), (728, 42226), (982, 31304), (1118, 27496), (1204, 25532), (1456, 21113), (1964, 15652), (2236, 13748), (2408, 12766), (3437, 8944), (3913, 7856), (3928, 7826), (4472, 6874), (4816, 6383)]