28387620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9277}}^1$

素因数の和:9309

約数の個数: 72

約数和(自身を含む): 91184184

約数和(自身を除く): 62796564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 9277, 18554, 27831, 37108, 46385, 55662, 83493, 92770, 111324, 139155, 157709, 166986, 185540, 278310, 315418, 333972, 417465, 473127, 556620, 630836, 788545, 834930, 946254, 1419381, 1577090, 1669860, 1892508, 2365635, 2838762, 3154180, 4731270, 5677524, 7096905, 9462540, 14193810, 28387620]

約数ペア:

[(1, 28387620), (2, 14193810), (3, 9462540), (4, 7096905), (5, 5677524), (6, 4731270), (9, 3154180), (10, 2838762), (12, 2365635), (15, 1892508), (17, 1669860), (18, 1577090), (20, 1419381), (30, 946254), (34, 834930), (36, 788545), (45, 630836), (51, 556620), (60, 473127), (68, 417465), (85, 333972), (90, 315418), (102, 278310), (153, 185540), (170, 166986), (180, 157709), (204, 139155), (255, 111324), (306, 92770), (340, 83493), (510, 55662), (612, 46385), (765, 37108), (1020, 27831), (1530, 18554), (3060, 9277)]