80791740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448843}}^1$

素因数の和:448858

約数の個数: 36

約数和(自身を含む): 245068824

約数和(自身を除く): 164277084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448843, 897686, 1346529, 1795372, 2244215, 2693058, 4039587, 4488430, 5386116, 6732645, 8079174, 8976860, 13465290, 16158348, 20197935, 26930580, 40395870, 80791740]

約数ペア:

[(1, 80791740), (2, 40395870), (3, 26930580), (4, 20197935), (5, 16158348), (6, 13465290), (9, 8976860), (10, 8079174), (12, 6732645), (15, 5386116), (18, 4488430), (20, 4039587), (30, 2693058), (36, 2244215), (45, 1795372), (60, 1346529), (90, 897686), (180, 448843)]