155439720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431777}}^1$

素因数の和:431794

約数の個数: 48

約数和(自身を含む): 505180260

約数和(自身を除く): 349740540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431777, 863554, 1295331, 1727108, 2158885, 2590662, 3454216, 3885993, 4317770, 5181324, 6476655, 7771986, 8635540, 10362648, 12953310, 15543972, 17271080, 19429965, 25906620, 31087944, 38859930, 51813240, 77719860, 155439720]

約数ペア:

[(1, 155439720), (2, 77719860), (3, 51813240), (4, 38859930), (5, 31087944), (6, 25906620), (8, 19429965), (9, 17271080), (10, 15543972), (12, 12953310), (15, 10362648), (18, 8635540), (20, 7771986), (24, 6476655), (30, 5181324), (36, 4317770), (40, 3885993), (45, 3454216), (60, 2590662), (72, 2158885), (90, 1727108), (120, 1295331), (180, 863554), (360, 431777)]