81671280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340297}}^1$

素因数の和:340313

約数の個数: 40

約数和(自身を含む): 253181712

約数和(自身を除く): 171510432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340297, 680594, 1020891, 1361188, 1701485, 2041782, 2722376, 3402970, 4083564, 5104455, 5444752, 6805940, 8167128, 10208910, 13611880, 16334256, 20417820, 27223760, 40835640, 81671280]

約数ペア:

[(1, 81671280), (2, 40835640), (3, 27223760), (4, 20417820), (5, 16334256), (6, 13611880), (8, 10208910), (10, 8167128), (12, 6805940), (15, 5444752), (16, 5104455), (20, 4083564), (24, 3402970), (30, 2722376), (40, 2041782), (48, 1701485), (60, 1361188), (80, 1020891), (120, 680594), (240, 340297)]