217271280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{905297}}^1$

素因数の和:905313

約数の個数: 40

約数和(自身を含む): 673541712

約数和(自身を除く): 456270432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 905297, 1810594, 2715891, 3621188, 4526485, 5431782, 7242376, 9052970, 10863564, 13579455, 14484752, 18105940, 21727128, 27158910, 36211880, 43454256, 54317820, 72423760, 108635640, 217271280]

約数ペア:

[(1, 217271280), (2, 108635640), (3, 72423760), (4, 54317820), (5, 43454256), (6, 36211880), (8, 27158910), (10, 21727128), (12, 18105940), (15, 14484752), (16, 13579455), (20, 10863564), (24, 9052970), (30, 7242376), (40, 5431782), (48, 4526485), (60, 3621188), (80, 2715891), (120, 1810594), (240, 905297)]