211508640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20983}}^1$

素因数の和:21011

約数の個数: 144

約数和(自身を含む): 824923008

約数和(自身を除く): 613414368

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, 20983, 41966, 62949, 83932, 104915, 125898, 146881, 167864, 188847, 209830, 251796, 293762, 314745, 335728, 377694, 419660, 440643, 503592, 587524, 629490, 671456, 734405, 755388, 839320, 881286, 944235, 1007184, 1175048, 1258980, 1321929, 1468810, 1510776, 1678640, 1762572, 1888470, 2014368, 2203215, 2350096, 2517960, 2643858, 2937620, 3021552, 3357280, 3525144, 3776940, 4406430, 4700192, 5035920, 5287716, 5875240, 6043104, 6609645, 7050288, 7553880, 8812860, 10071840, 10575432, 11750480, 13219290, 14100576, 15107760, 17625720, 21150864, 23500960, 26438580, 30215520, 35251440, 42301728, 52877160, 70502880, 105754320, 211508640]

約数ペア:

[(1, 211508640), (2, 105754320), (3, 70502880), (4, 52877160), (5, 42301728), (6, 35251440), (7, 30215520), (8, 26438580), (9, 23500960), (10, 21150864), (12, 17625720), (14, 15107760), (15, 14100576), (16, 13219290), (18, 11750480), (20, 10575432), (21, 10071840), (24, 8812860), (28, 7553880), (30, 7050288), (32, 6609645), (35, 6043104), (36, 5875240), (40, 5287716), (42, 5035920), (45, 4700192), (48, 4406430), (56, 3776940), (60, 3525144), (63, 3357280), (70, 3021552), (72, 2937620), (80, 2643858), (84, 2517960), (90, 2350096), (96, 2203215), (105, 2014368), (112, 1888470), (120, 1762572), (126, 1678640), (140, 1510776), (144, 1468810), (160, 1321929), (168, 1258980), (180, 1175048), (210, 1007184), (224, 944235), (240, 881286), (252, 839320), (280, 755388), (288, 734405), (315, 671456), (336, 629490), (360, 587524), (420, 503592), (480, 440643), (504, 419660), (560, 377694), (630, 335728), (672, 314745), (720, 293762), (840, 251796), (1008, 209830), (1120, 188847), (1260, 167864), (1440, 146881), (1680, 125898), (2016, 104915), (2520, 83932), (3360, 62949), (5040, 41966), (10080, 20983)]