219968880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{916537}}^1$

素因数の和:916553

約数の個数: 40

約数和(自身を含む): 681904272

約数和(自身を除く): 461935392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 916537, 1833074, 2749611, 3666148, 4582685, 5499222, 7332296, 9165370, 10998444, 13748055, 14664592, 18330740, 21996888, 27496110, 36661480, 43993776, 54992220, 73322960, 109984440, 219968880]

約数ペア:

[(1, 219968880), (2, 109984440), (3, 73322960), (4, 54992220), (5, 43993776), (6, 36661480), (8, 27496110), (10, 21996888), (12, 18330740), (15, 14664592), (16, 13748055), (20, 10998444), (24, 9165370), (30, 7332296), (40, 5499222), (48, 4582685), (60, 3666148), (80, 2749611), (120, 1833074), (240, 916537)]