1999440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{2777}}^1$

素因数の和:2796

約数の個数: 60

約数和(自身を含む): 6717204

約数和(自身を除く): 4717764

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 2777, 5554, 8331, 11108, 13885, 16662, 22216, 24993, 27770, 33324, 41655, 44432, 49986, 55540, 66648, 83310, 99972, 111080, 124965, 133296, 166620, 199944, 222160, 249930, 333240, 399888, 499860, 666480, 999720, 1999440]

約数ペア:

[(1, 1999440), (2, 999720), (3, 666480), (4, 499860), (5, 399888), (6, 333240), (8, 249930), (9, 222160), (10, 199944), (12, 166620), (15, 133296), (16, 124965), (18, 111080), (20, 99972), (24, 83310), (30, 66648), (36, 55540), (40, 49986), (45, 44432), (48, 41655), (60, 33324), (72, 27770), (80, 24993), (90, 22216), (120, 16662), (144, 13885), (180, 11108), (240, 8331), (360, 5554), (720, 2777)]