164709720

素因数分解:

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

素因数の和:21814

約数の個数: 128

約数和(自身を含む): 627494400

約数和(自身を除く): 462784680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 21787, 43574, 65361, 87148, 108935, 130722, 152509, 174296, 196083, 217870, 261444, 305018, 326805, 392166, 435740, 457527, 522888, 588249, 610036, 653610, 762545, 784332, 871480, 915054, 980415, 1176498, 1220072, 1307220, 1372581, 1525090, 1568664, 1830108, 1960830, 2287635, 2352996, 2614440, 2745162, 2941245, 3050180, 3660216, 3921660, 4117743, 4575270, 4705992, 5490324, 5882490, 6100360, 6862905, 7843320, 8235486, 9150540, 10980648, 11764980, 13725810, 16470972, 18301080, 20588715, 23529960, 27451620, 32941944, 41177430, 54903240, 82354860, 164709720]

約数ペア:

[(1, 164709720), (2, 82354860), (3, 54903240), (4, 41177430), (5, 32941944), (6, 27451620), (7, 23529960), (8, 20588715), (9, 18301080), (10, 16470972), (12, 13725810), (14, 11764980), (15, 10980648), (18, 9150540), (20, 8235486), (21, 7843320), (24, 6862905), (27, 6100360), (28, 5882490), (30, 5490324), (35, 4705992), (36, 4575270), (40, 4117743), (42, 3921660), (45, 3660216), (54, 3050180), (56, 2941245), (60, 2745162), (63, 2614440), (70, 2352996), (72, 2287635), (84, 1960830), (90, 1830108), (105, 1568664), (108, 1525090), (120, 1372581), (126, 1307220), (135, 1220072), (140, 1176498), (168, 980415), (180, 915054), (189, 871480), (210, 784332), (216, 762545), (252, 653610), (270, 610036), (280, 588249), (315, 522888), (360, 457527), (378, 435740), (420, 392166), (504, 326805), (540, 305018), (630, 261444), (756, 217870), (840, 196083), (945, 174296), (1080, 152509), (1260, 130722), (1512, 108935), (1890, 87148), (2520, 65361), (3780, 43574), (7560, 21787)]