128445540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125927}}^1$

素因数の和:125956

約数の個数: 48

約数和(自身を含む): 380806272

約数和(自身を除く): 252360732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 125927, 251854, 377781, 503708, 629635, 755562, 1259270, 1511124, 1888905, 2140759, 2518540, 3777810, 4281518, 6422277, 7555620, 8563036, 10703795, 12844554, 21407590, 25689108, 32111385, 42815180, 64222770, 128445540]

約数ペア:

[(1, 128445540), (2, 64222770), (3, 42815180), (4, 32111385), (5, 25689108), (6, 21407590), (10, 12844554), (12, 10703795), (15, 8563036), (17, 7555620), (20, 6422277), (30, 4281518), (34, 3777810), (51, 2518540), (60, 2140759), (68, 1888905), (85, 1511124), (102, 1259270), (170, 755562), (204, 629635), (255, 503708), (340, 377781), (510, 251854), (1020, 125927)]