30828280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4787}}^1$

素因数の和:4828

約数の個数: 64

約数和(自身を含む): 82736640

約数和(自身を除く): 51908360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4787, 6440, 9574, 19148, 23935, 33509, 38296, 47870, 67018, 95740, 110101, 134036, 167545, 191480, 220202, 268072, 335090, 440404, 550505, 670180, 770707, 880808, 1101010, 1340360, 1541414, 2202020, 3082828, 3853535, 4404040, 6165656, 7707070, 15414140, 30828280]

約数ペア:

[(1, 30828280), (2, 15414140), (4, 7707070), (5, 6165656), (7, 4404040), (8, 3853535), (10, 3082828), (14, 2202020), (20, 1541414), (23, 1340360), (28, 1101010), (35, 880808), (40, 770707), (46, 670180), (56, 550505), (70, 440404), (92, 335090), (115, 268072), (140, 220202), (161, 191480), (184, 167545), (230, 134036), (280, 110101), (322, 95740), (460, 67018), (644, 47870), (805, 38296), (920, 33509), (1288, 23935), (1610, 19148), (3220, 9574), (4787, 6440)]