20943959280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87266497}}^1$

素因数の和:87266513

約数の個数: 40

約数和(自身を含む): 64926274512

約数和(自身を除く): 43982315232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87266497, 174532994, 261799491, 349065988, 436332485, 523598982, 698131976, 872664970, 1047197964, 1308997455, 1396263952, 1745329940, 2094395928, 2617994910, 3490659880, 4188791856, 5235989820, 6981319760, 10471979640, 20943959280]

約数ペア:

[(1, 20943959280), (2, 10471979640), (3, 6981319760), (4, 5235989820), (5, 4188791856), (6, 3490659880), (8, 2617994910), (10, 2094395928), (12, 1745329940), (15, 1396263952), (16, 1308997455), (20, 1047197964), (24, 872664970), (30, 698131976), (40, 523598982), (48, 436332485), (60, 349065988), (80, 261799491), (120, 174532994), (240, 87266497)]