19688640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20509}}^1$

素因数の和:20529

約数の個数: 56

約数和(自身を含む): 62514480

約数和(自身を除く): 42825840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20509, 41018, 61527, 82036, 102545, 123054, 164072, 205090, 246108, 307635, 328144, 410180, 492216, 615270, 656288, 820360, 984432, 1230540, 1312576, 1640720, 1968864, 2461080, 3281440, 3937728, 4922160, 6562880, 9844320, 19688640]

約数ペア:

[(1, 19688640), (2, 9844320), (3, 6562880), (4, 4922160), (5, 3937728), (6, 3281440), (8, 2461080), (10, 1968864), (12, 1640720), (15, 1312576), (16, 1230540), (20, 984432), (24, 820360), (30, 656288), (32, 615270), (40, 492216), (48, 410180), (60, 328144), (64, 307635), (80, 246108), (96, 205090), (120, 164072), (160, 123054), (192, 102545), (240, 82036), (320, 61527), (480, 41018), (960, 20509)]