211031520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:553

約数の個数: 192

約数和(自身を含む): 766112256

約数和(自身を除く): 555080736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 181, 210, 224, 240, 280, 336, 347, 362, 420, 480, 543, 560, 672, 694, 724, 840, 905, 1041, 1086, 1120, 1267, 1388, 1448, 1680, 1735, 1810, 2082, 2172, 2429, 2534, 2715, 2776, 2896, 3360, 3470, 3620, 3801, 4164, 4344, 4858, 5068, 5205, 5430, 5552, 5792, 6335, 6940, 7240, 7287, 7602, 8328, 8688, 9716, 10136, 10410, 10860, 11104, 12145, 12670, 13880, 14480, 14574, 15204, 16656, 17376, 19005, 19432, 20272, 20820, 21720, 24290, 25340, 27760, 28960, 29148, 30408, 33312, 36435, 38010, 38864, 40544, 41640, 43440, 48580, 50680, 55520, 58296, 60816, 62807, 72870, 76020, 77728, 83280, 86880, 97160, 101360, 116592, 121632, 125614, 145740, 152040, 166560, 188421, 194320, 202720, 233184, 251228, 291480, 304080, 314035, 376842, 388640, 439649, 502456, 582960, 608160, 628070, 753684, 879298, 942105, 1004912, 1165920, 1256140, 1318947, 1507368, 1758596, 1884210, 2009824, 2198245, 2512280, 2637894, 3014736, 3517192, 3768420, 4396490, 5024560, 5275788, 6029472, 6594735, 7034384, 7536840, 8792980, 10049120, 10551576, 13189470, 14068768, 15073680, 17585960, 21103152, 26378940, 30147360, 35171920, 42206304, 52757880, 70343840, 105515760, 211031520]

約数ペア:

[(1, 211031520), (2, 105515760), (3, 70343840), (4, 52757880), (5, 42206304), (6, 35171920), (7, 30147360), (8, 26378940), (10, 21103152), (12, 17585960), (14, 15073680), (15, 14068768), (16, 13189470), (20, 10551576), (21, 10049120), (24, 8792980), (28, 7536840), (30, 7034384), (32, 6594735), (35, 6029472), (40, 5275788), (42, 5024560), (48, 4396490), (56, 3768420), (60, 3517192), (70, 3014736), (80, 2637894), (84, 2512280), (96, 2198245), (105, 2009824), (112, 1884210), (120, 1758596), (140, 1507368), (160, 1318947), (168, 1256140), (181, 1165920), (210, 1004912), (224, 942105), (240, 879298), (280, 753684), (336, 628070), (347, 608160), (362, 582960), (420, 502456), (480, 439649), (543, 388640), (560, 376842), (672, 314035), (694, 304080), (724, 291480), (840, 251228), (905, 233184), (1041, 202720), (1086, 194320), (1120, 188421), (1267, 166560), (1388, 152040), (1448, 145740), (1680, 125614), (1735, 121632), (1810, 116592), (2082, 101360), (2172, 97160), (2429, 86880), (2534, 83280), (2715, 77728), (2776, 76020), (2896, 72870), (3360, 62807), (3470, 60816), (3620, 58296), (3801, 55520), (4164, 50680), (4344, 48580), (4858, 43440), (5068, 41640), (5205, 40544), (5430, 38864), (5552, 38010), (5792, 36435), (6335, 33312), (6940, 30408), (7240, 29148), (7287, 28960), (7602, 27760), (8328, 25340), (8688, 24290), (9716, 21720), (10136, 20820), (10410, 20272), (10860, 19432), (11104, 19005), (12145, 17376), (12670, 16656), (13880, 15204), (14480, 14574)]