320811408

素因数分解:

$2^4\times 3^3\times {\mathrm{742619}}^1$

素因数の和:742636

約数の個数: 40

約数和(自身を含む): 920848800

約数和(自身を除く): 600037392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 742619, 1485238, 2227857, 2970476, 4455714, 5940952, 6683571, 8911428, 11881904, 13367142, 17822856, 20050713, 26734284, 35645712, 40101426, 53468568, 80202852, 106937136, 160405704, 320811408]

約数ペア:

[(1, 320811408), (2, 160405704), (3, 106937136), (4, 80202852), (6, 53468568), (8, 40101426), (9, 35645712), (12, 26734284), (16, 20050713), (18, 17822856), (24, 13367142), (27, 11881904), (36, 8911428), (48, 6683571), (54, 5940952), (72, 4455714), (108, 2970476), (144, 2227857), (216, 1485238), (432, 742619)]