21690720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{5021}}^1$

素因数の和:5045

約数の個数: 96

約数和(自身を含む): 75932640

約数和(自身を除く): 54241920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 5021, 10042, 15063, 20084, 25105, 30126, 40168, 45189, 50210, 60252, 75315, 80336, 90378, 100420, 120504, 135567, 150630, 160672, 180756, 200840, 225945, 241008, 271134, 301260, 361512, 401680, 451890, 482016, 542268, 602520, 677835, 723024, 803360, 903780, 1084536, 1205040, 1355670, 1446048, 1807560, 2169072, 2410080, 2711340, 3615120, 4338144, 5422680, 7230240, 10845360, 21690720]

約数ペア:

[(1, 21690720), (2, 10845360), (3, 7230240), (4, 5422680), (5, 4338144), (6, 3615120), (8, 2711340), (9, 2410080), (10, 2169072), (12, 1807560), (15, 1446048), (16, 1355670), (18, 1205040), (20, 1084536), (24, 903780), (27, 803360), (30, 723024), (32, 677835), (36, 602520), (40, 542268), (45, 482016), (48, 451890), (54, 401680), (60, 361512), (72, 301260), (80, 271134), (90, 241008), (96, 225945), (108, 200840), (120, 180756), (135, 160672), (144, 150630), (160, 135567), (180, 120504), (216, 100420), (240, 90378), (270, 80336), (288, 75315), (360, 60252), (432, 50210), (480, 45189), (540, 40168), (720, 30126), (864, 25105), (1080, 20084), (1440, 15063), (2160, 10042), (4320, 5021)]