18251520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 216

約数和(自身を含む): 68506704

約数和(自身を除く): 50255184

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, 49, 56, 60, 64, 70, 80, 84, 96, 97, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 194, 196, 210, 224, 240, 245, 256, 280, 291, 294, 320, 336, 384, 388, 392, 420, 448, 480, 485, 490, 560, 582, 588, 640, 672, 679, 735, 768, 776, 784, 840, 896, 960, 970, 980, 1120, 1164, 1176, 1280, 1344, 1358, 1455, 1470, 1552, 1568, 1680, 1792, 1920, 1940, 1960, 2037, 2240, 2328, 2352, 2688, 2716, 2910, 2940, 3104, 3136, 3360, 3395, 3840, 3880, 3920, 4074, 4480, 4656, 4704, 4753, 5376, 5432, 5820, 5880, 6208, 6272, 6720, 6790, 7760, 7840, 8148, 8960, 9312, 9408, 9506, 10185, 10864, 11640, 11760, 12416, 12544, 13440, 13580, 14259, 15520, 15680, 16296, 18624, 18816, 19012, 20370, 21728, 23280, 23520, 23765, 24832, 26880, 27160, 28518, 31040, 31360, 32592, 37248, 37632, 38024, 40740, 43456, 46560, 47040, 47530, 54320, 57036, 62080, 62720, 65184, 71295, 74496, 76048, 81480, 86912, 93120, 94080, 95060, 108640, 114072, 124160, 130368, 142590, 152096, 162960, 173824, 186240, 188160, 190120, 217280, 228144, 260736, 285180, 304192, 325920, 372480, 380240, 434560, 456288, 521472, 570360, 608384, 651840, 760480, 869120, 912576, 1140720, 1216768, 1303680, 1520960, 1825152, 2281440, 2607360, 3041920, 3650304, 4562880, 6083840, 9125760, 18251520]

約数ペア:

[(1, 18251520), (2, 9125760), (3, 6083840), (4, 4562880), (5, 3650304), (6, 3041920), (7, 2607360), (8, 2281440), (10, 1825152), (12, 1520960), (14, 1303680), (15, 1216768), (16, 1140720), (20, 912576), (21, 869120), (24, 760480), (28, 651840), (30, 608384), (32, 570360), (35, 521472), (40, 456288), (42, 434560), (48, 380240), (49, 372480), (56, 325920), (60, 304192), (64, 285180), (70, 260736), (80, 228144), (84, 217280), (96, 190120), (97, 188160), (98, 186240), (105, 173824), (112, 162960), (120, 152096), (128, 142590), (140, 130368), (147, 124160), (160, 114072), (168, 108640), (192, 95060), (194, 94080), (196, 93120), (210, 86912), (224, 81480), (240, 76048), (245, 74496), (256, 71295), (280, 65184), (291, 62720), (294, 62080), (320, 57036), (336, 54320), (384, 47530), (388, 47040), (392, 46560), (420, 43456), (448, 40740), (480, 38024), (485, 37632), (490, 37248), (560, 32592), (582, 31360), (588, 31040), (640, 28518), (672, 27160), (679, 26880), (735, 24832), (768, 23765), (776, 23520), (784, 23280), (840, 21728), (896, 20370), (960, 19012), (970, 18816), (980, 18624), (1120, 16296), (1164, 15680), (1176, 15520), (1280, 14259), (1344, 13580), (1358, 13440), (1455, 12544), (1470, 12416), (1552, 11760), (1568, 11640), (1680, 10864), (1792, 10185), (1920, 9506), (1940, 9408), (1960, 9312), (2037, 8960), (2240, 8148), (2328, 7840), (2352, 7760), (2688, 6790), (2716, 6720), (2910, 6272), (2940, 6208), (3104, 5880), (3136, 5820), (3360, 5432), (3395, 5376), (3840, 4753), (3880, 4704), (3920, 4656), (4074, 4480)]