420844440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{81559}}^1$

素因数の和:81616

約数の個数: 64

約数和(自身を含む): 1291910400

約数和(自身を除く): 871065960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 81559, 163118, 244677, 326236, 407795, 489354, 652472, 815590, 978708, 1223385, 1631180, 1957416, 2446770, 3262360, 3507037, 4893540, 7014074, 9787080, 10521111, 14028148, 17535185, 21042222, 28056296, 35070370, 42084444, 52605555, 70140740, 84168888, 105211110, 140281480, 210422220, 420844440]

約数ペア:

[(1, 420844440), (2, 210422220), (3, 140281480), (4, 105211110), (5, 84168888), (6, 70140740), (8, 52605555), (10, 42084444), (12, 35070370), (15, 28056296), (20, 21042222), (24, 17535185), (30, 14028148), (40, 10521111), (43, 9787080), (60, 7014074), (86, 4893540), (120, 3507037), (129, 3262360), (172, 2446770), (215, 1957416), (258, 1631180), (344, 1223385), (430, 978708), (516, 815590), (645, 652472), (860, 489354), (1032, 407795), (1290, 326236), (1720, 244677), (2580, 163118), (5160, 81559)]