30740720

素因数分解:

$2^4\times 5^1\times {\mathrm{384259}}^1$

素因数の和:384272

約数の個数: 20

約数和(自身を含む): 71472360

約数和(自身を除く): 40731640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 384259, 768518, 1537036, 1921295, 3074072, 3842590, 6148144, 7685180, 15370360, 30740720]

約数ペア:

[(1, 30740720), (2, 15370360), (4, 7685180), (5, 6148144), (8, 3842590), (10, 3074072), (16, 1921295), (20, 1537036), (40, 768518), (80, 384259)]