28661821440

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{66643}}^1$

素因数の和:66682

約数の個数: 208

約数和(自身を含む): 104809152768

約数和(自身を除く): 76147331328

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, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2048, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 4096, 4480, 5120, 5376, 6144, 6720, 7168, 7680, 8960, 10240, 10752, 12288, 13440, 14336, 15360, 17920, 20480, 21504, 26880, 28672, 30720, 35840, 43008, 53760, 61440, 66643, 71680, 86016, 107520, 133286, 143360, 199929, 215040, 266572, 333215, 399858, 430080, 466501, 533144, 666430, 799716, 933002, 999645, 1066288, 1332860, 1399503, 1599432, 1866004, 1999290, 2132576, 2332505, 2665720, 2799006, 3198864, 3732008, 3998580, 4265152, 4665010, 5331440, 5598012, 6397728, 6997515, 7464016, 7997160, 8530304, 9330020, 10662880, 11196024, 12795456, 13995030, 14928032, 15994320, 17060608, 18660040, 21325760, 22392048, 25590912, 27990060, 29856064, 31988640, 34121216, 37320080, 42651520, 44784096, 51181824, 55980120, 59712128, 63977280, 68242432, 74640160, 85303040, 89568192, 102363648, 111960240, 119424256, 127954560, 136484864, 149280320, 170606080, 179136384, 204727296, 223920480, 238848512, 255909120, 272969728, 298560640, 341212160, 358272768, 409454592, 447840960, 477697024, 511818240, 597121280, 682424320, 716545536, 818909184, 895681920, 955394048, 1023636480, 1194242560, 1364848640, 1433091072, 1791363840, 1910788096, 2047272960, 2388485120, 2866182144, 3582727680, 4094545920, 4776970240, 5732364288, 7165455360, 9553940480, 14330910720, 28661821440]

約数ペア:

[(1, 28661821440), (2, 14330910720), (3, 9553940480), (4, 7165455360), (5, 5732364288), (6, 4776970240), (7, 4094545920), (8, 3582727680), (10, 2866182144), (12, 2388485120), (14, 2047272960), (15, 1910788096), (16, 1791363840), (20, 1433091072), (21, 1364848640), (24, 1194242560), (28, 1023636480), (30, 955394048), (32, 895681920), (35, 818909184), (40, 716545536), (42, 682424320), (48, 597121280), (56, 511818240), (60, 477697024), (64, 447840960), (70, 409454592), (80, 358272768), (84, 341212160), (96, 298560640), (105, 272969728), (112, 255909120), (120, 238848512), (128, 223920480), (140, 204727296), (160, 179136384), (168, 170606080), (192, 149280320), (210, 136484864), (224, 127954560), (240, 119424256), (256, 111960240), (280, 102363648), (320, 89568192), (336, 85303040), (384, 74640160), (420, 68242432), (448, 63977280), (480, 59712128), (512, 55980120), (560, 51181824), (640, 44784096), (672, 42651520), (768, 37320080), (840, 34121216), (896, 31988640), (960, 29856064), (1024, 27990060), (1120, 25590912), (1280, 22392048), (1344, 21325760), (1536, 18660040), (1680, 17060608), (1792, 15994320), (1920, 14928032), (2048, 13995030), (2240, 12795456), (2560, 11196024), (2688, 10662880), (3072, 9330020), (3360, 8530304), (3584, 7997160), (3840, 7464016), (4096, 6997515), (4480, 6397728), (5120, 5598012), (5376, 5331440), (6144, 4665010), (6720, 4265152), (7168, 3998580), (7680, 3732008), (8960, 3198864), (10240, 2799006), (10752, 2665720), (12288, 2332505), (13440, 2132576), (14336, 1999290), (15360, 1866004), (17920, 1599432), (20480, 1399503), (21504, 1332860), (26880, 1066288), (28672, 999645), (30720, 933002), (35840, 799716), (43008, 666430), (53760, 533144), (61440, 466501), (66643, 430080), (71680, 399858), (86016, 333215), (107520, 266572), (133286, 215040), (143360, 199929)]