168543280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67961}}^1$

素因数の和:68005

約数の個数: 40

約数和(自身を含む): 404509824

約数和(自身を除く): 235966544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67961, 135922, 271844, 339805, 543688, 679610, 1087376, 1359220, 2106791, 2718440, 4213582, 5436880, 8427164, 10533955, 16854328, 21067910, 33708656, 42135820, 84271640, 168543280]

約数ペア:

[(1, 168543280), (2, 84271640), (4, 42135820), (5, 33708656), (8, 21067910), (10, 16854328), (16, 10533955), (20, 8427164), (31, 5436880), (40, 4213582), (62, 2718440), (80, 2106791), (124, 1359220), (155, 1087376), (248, 679610), (310, 543688), (496, 339805), (620, 271844), (1240, 135922), (2480, 67961)]