3998880

素因数分解:

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

素因数の和:2798

約数の個数: 72

約数和(自身を含む): 13651092

約数和(自身を除く): 9652212

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 2777, 5554, 8331, 11108, 13885, 16662, 22216, 24993, 27770, 33324, 41655, 44432, 49986, 55540, 66648, 83310, 88864, 99972, 111080, 124965, 133296, 166620, 199944, 222160, 249930, 266592, 333240, 399888, 444320, 499860, 666480, 799776, 999720, 1332960, 1999440, 3998880]

約数ペア:

[(1, 3998880), (2, 1999440), (3, 1332960), (4, 999720), (5, 799776), (6, 666480), (8, 499860), (9, 444320), (10, 399888), (12, 333240), (15, 266592), (16, 249930), (18, 222160), (20, 199944), (24, 166620), (30, 133296), (32, 124965), (36, 111080), (40, 99972), (45, 88864), (48, 83310), (60, 66648), (72, 55540), (80, 49986), (90, 44432), (96, 41655), (120, 33324), (144, 27770), (160, 24993), (180, 22216), (240, 16662), (288, 13885), (360, 11108), (480, 8331), (720, 5554), (1440, 2777)]