20288640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10567}}^1$

素因数の和:10589

約数の個数: 64

約数和(自身を含む): 64676160

約数和(自身を除く): 44387520

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10567, 21134, 31701, 42268, 52835, 63402, 84536, 105670, 126804, 158505, 169072, 211340, 253608, 317010, 338144, 422680, 507216, 634020, 676288, 845360, 1014432, 1268040, 1352576, 1690720, 2028864, 2536080, 3381440, 4057728, 5072160, 6762880, 10144320, 20288640]

約数ペア:

[(1, 20288640), (2, 10144320), (3, 6762880), (4, 5072160), (5, 4057728), (6, 3381440), (8, 2536080), (10, 2028864), (12, 1690720), (15, 1352576), (16, 1268040), (20, 1014432), (24, 845360), (30, 676288), (32, 634020), (40, 507216), (48, 422680), (60, 338144), (64, 317010), (80, 253608), (96, 211340), (120, 169072), (128, 158505), (160, 126804), (192, 105670), (240, 84536), (320, 63402), (384, 52835), (480, 42268), (640, 31701), (960, 21134), (1920, 10567)]