219612960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21787}}^1$

素因数の和:21815

約数の個数: 144

約数和(自身を含む): 856529856

約数和(自身を除く): 636916896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21787, 43574, 65361, 87148, 108935, 130722, 152509, 174296, 196083, 217870, 261444, 305018, 326805, 348592, 392166, 435740, 457527, 522888, 610036, 653610, 697184, 762545, 784332, 871480, 915054, 980415, 1045776, 1220072, 1307220, 1372581, 1525090, 1568664, 1742960, 1830108, 1960830, 2091552, 2287635, 2440144, 2614440, 2745162, 3050180, 3137328, 3485920, 3660216, 3921660, 4575270, 4880288, 5228880, 5490324, 6100360, 6274656, 6862905, 7320432, 7843320, 9150540, 10457760, 10980648, 12200720, 13725810, 14640864, 15686640, 18301080, 21961296, 24401440, 27451620, 31373280, 36602160, 43922592, 54903240, 73204320, 109806480, 219612960]

約数ペア:

[(1, 219612960), (2, 109806480), (3, 73204320), (4, 54903240), (5, 43922592), (6, 36602160), (7, 31373280), (8, 27451620), (9, 24401440), (10, 21961296), (12, 18301080), (14, 15686640), (15, 14640864), (16, 13725810), (18, 12200720), (20, 10980648), (21, 10457760), (24, 9150540), (28, 7843320), (30, 7320432), (32, 6862905), (35, 6274656), (36, 6100360), (40, 5490324), (42, 5228880), (45, 4880288), (48, 4575270), (56, 3921660), (60, 3660216), (63, 3485920), (70, 3137328), (72, 3050180), (80, 2745162), (84, 2614440), (90, 2440144), (96, 2287635), (105, 2091552), (112, 1960830), (120, 1830108), (126, 1742960), (140, 1568664), (144, 1525090), (160, 1372581), (168, 1307220), (180, 1220072), (210, 1045776), (224, 980415), (240, 915054), (252, 871480), (280, 784332), (288, 762545), (315, 697184), (336, 653610), (360, 610036), (420, 522888), (480, 457527), (504, 435740), (560, 392166), (630, 348592), (672, 326805), (720, 305018), (840, 261444), (1008, 217870), (1120, 196083), (1260, 174296), (1440, 152509), (1680, 130722), (2016, 108935), (2520, 87148), (3360, 65361), (5040, 43574), (10080, 21787)]