311280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1297}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 965712

約数和(自身を除く): 654432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1297, 2594, 3891, 5188, 6485, 7782, 10376, 12970, 15564, 19455, 20752, 25940, 31128, 38910, 51880, 62256, 77820, 103760, 155640, 311280]

約数ペア:

[(1, 311280), (2, 155640), (3, 103760), (4, 77820), (5, 62256), (6, 51880), (8, 38910), (10, 31128), (12, 25940), (15, 20752), (16, 19455), (20, 15564), (24, 12970), (30, 10376), (40, 7782), (48, 6485), (60, 5188), (80, 3891), (120, 2594), (240, 1297)]