287638020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{532663}}^1$

素因数の和:532681

約数の個数: 48

約数和(自身を含む): 894875520

約数和(自身を除く): 607237500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 532663, 1065326, 1597989, 2130652, 2663315, 3195978, 4793967, 5326630, 6391956, 7989945, 9587934, 10653260, 14381901, 15979890, 19175868, 23969835, 28763802, 31959780, 47939670, 57527604, 71909505, 95879340, 143819010, 287638020]

約数ペア:

[(1, 287638020), (2, 143819010), (3, 95879340), (4, 71909505), (5, 57527604), (6, 47939670), (9, 31959780), (10, 28763802), (12, 23969835), (15, 19175868), (18, 15979890), (20, 14381901), (27, 10653260), (30, 9587934), (36, 7989945), (45, 6391956), (54, 5326630), (60, 4793967), (90, 3195978), (108, 2663315), (135, 2130652), (180, 1597989), (270, 1065326), (540, 532663)]