61931520

素因数分解:

$2^{16}\times 3^3\times 5^1\times 7^1$

素因数の和:53

約数の個数: 272

約数和(自身を含む): 251656320

約数和(自身を除く): 189724800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1024, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1680, 1728, 1792, 1890, 1920, 2016, 2048, 2160, 2240, 2304, 2520, 2560, 2688, 2880, 3024, 3072, 3360, 3456, 3584, 3780, 3840, 4032, 4096, 4320, 4480, 4608, 5040, 5120, 5376, 5760, 6048, 6144, 6720, 6912, 7168, 7560, 7680, 8064, 8192, 8640, 8960, 9216, 10080, 10240, 10752, 11520, 12096, 12288, 13440, 13824, 14336, 15120, 15360, 16128, 16384, 17280, 17920, 18432, 20160, 20480, 21504, 23040, 24192, 24576, 26880, 27648, 28672, 30240, 30720, 32256, 32768, 34560, 35840, 36864, 40320, 40960, 43008, 46080, 48384, 49152, 53760, 55296, 57344, 60480, 61440, 64512, 65536, 69120, 71680, 73728, 80640, 81920, 86016, 92160, 96768, 98304, 107520, 110592, 114688, 120960, 122880, 129024, 138240, 143360, 147456, 161280, 163840, 172032, 184320, 193536, 196608, 215040, 221184, 229376, 241920, 245760, 258048, 276480, 286720, 294912, 322560, 327680, 344064, 368640, 387072, 430080, 442368, 458752, 483840, 491520, 516096, 552960, 573440, 589824, 645120, 688128, 737280, 774144, 860160, 884736, 967680, 983040, 1032192, 1105920, 1146880, 1290240, 1376256, 1474560, 1548288, 1720320, 1769472, 1935360, 2064384, 2211840, 2293760, 2580480, 2949120, 3096576, 3440640, 3870720, 4128768, 4423680, 5160960, 6193152, 6881280, 7741440, 8847360, 10321920, 12386304, 15482880, 20643840, 30965760, 61931520]

約数ペア:

[(1, 61931520), (2, 30965760), (3, 20643840), (4, 15482880), (5, 12386304), (6, 10321920), (7, 8847360), (8, 7741440), (9, 6881280), (10, 6193152), (12, 5160960), (14, 4423680), (15, 4128768), (16, 3870720), (18, 3440640), (20, 3096576), (21, 2949120), (24, 2580480), (27, 2293760), (28, 2211840), (30, 2064384), (32, 1935360), (35, 1769472), (36, 1720320), (40, 1548288), (42, 1474560), (45, 1376256), (48, 1290240), (54, 1146880), (56, 1105920), (60, 1032192), (63, 983040), (64, 967680), (70, 884736), (72, 860160), (80, 774144), (84, 737280), (90, 688128), (96, 645120), (105, 589824), (108, 573440), (112, 552960), (120, 516096), (126, 491520), (128, 483840), (135, 458752), (140, 442368), (144, 430080), (160, 387072), (168, 368640), (180, 344064), (189, 327680), (192, 322560), (210, 294912), (216, 286720), (224, 276480), (240, 258048), (252, 245760), (256, 241920), (270, 229376), (280, 221184), (288, 215040), (315, 196608), (320, 193536), (336, 184320), (360, 172032), (378, 163840), (384, 161280), (420, 147456), (432, 143360), (448, 138240), (480, 129024), (504, 122880), (512, 120960), (540, 114688), (560, 110592), (576, 107520), (630, 98304), (640, 96768), (672, 92160), (720, 86016), (756, 81920), (768, 80640), (840, 73728), (864, 71680), (896, 69120), (945, 65536), (960, 64512), (1008, 61440), (1024, 60480), (1080, 57344), (1120, 55296), (1152, 53760), (1260, 49152), (1280, 48384), (1344, 46080), (1440, 43008), (1512, 40960), (1536, 40320), (1680, 36864), (1728, 35840), (1792, 34560), (1890, 32768), (1920, 32256), (2016, 30720), (2048, 30240), (2160, 28672), (2240, 27648), (2304, 26880), (2520, 24576), (2560, 24192), (2688, 23040), (2880, 21504), (3024, 20480), (3072, 20160), (3360, 18432), (3456, 17920), (3584, 17280), (3780, 16384), (3840, 16128), (4032, 15360), (4096, 15120), (4320, 14336), (4480, 13824), (4608, 13440), (5040, 12288), (5120, 12096), (5376, 11520), (5760, 10752), (6048, 10240), (6144, 10080), (6720, 9216), (6912, 8960), (7168, 8640), (7560, 8192), (7680, 8064)]