18781320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{156511}}^1$

素因数の和:156525

約数の個数: 32

約数和(自身を含む): 56344320

約数和(自身を除く): 37563000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 156511, 313022, 469533, 626044, 782555, 939066, 1252088, 1565110, 1878132, 2347665, 3130220, 3756264, 4695330, 6260440, 9390660, 18781320]

約数ペア:

[(1, 18781320), (2, 9390660), (3, 6260440), (4, 4695330), (5, 3756264), (6, 3130220), (8, 2347665), (10, 1878132), (12, 1565110), (15, 1252088), (20, 939066), (24, 782555), (30, 626044), (40, 469533), (60, 313022), (120, 156511)]