180128144

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{12277}}^1$

素因数の和:12423

約数の個数: 40

約数和(自身を含む): 401932608

約数和(自身を除く): 221804464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1834, 2096, 3668, 7336, 12277, 14672, 24554, 49108, 85939, 98216, 171878, 196432, 343756, 687512, 1375024, 1608287, 3216574, 6433148, 11258009, 12866296, 22516018, 25732592, 45032036, 90064072, 180128144]

約数ペア:

[(1, 180128144), (2, 90064072), (4, 45032036), (7, 25732592), (8, 22516018), (14, 12866296), (16, 11258009), (28, 6433148), (56, 3216574), (112, 1608287), (131, 1375024), (262, 687512), (524, 343756), (917, 196432), (1048, 171878), (1834, 98216), (2096, 85939), (3668, 49108), (7336, 24554), (12277, 14672)]