68200720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{121787}}^1$

素因数の和:121807

約数の個数: 40

約数和(自身を含む): 181220544

約数和(自身を除く): 113019824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 121787, 243574, 487148, 608935, 852509, 974296, 1217870, 1705018, 1948592, 2435740, 3410036, 4262545, 4871480, 6820072, 8525090, 9742960, 13640144, 17050180, 34100360, 68200720]

約数ペア:

[(1, 68200720), (2, 34100360), (4, 17050180), (5, 13640144), (7, 9742960), (8, 8525090), (10, 6820072), (14, 4871480), (16, 4262545), (20, 3410036), (28, 2435740), (35, 1948592), (40, 1705018), (56, 1217870), (70, 974296), (80, 852509), (112, 608935), (140, 487148), (280, 243574), (560, 121787)]