19937280

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 50824320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 59, 60, 64, 66, 80, 88, 96, 110, 118, 120, 128, 132, 160, 165, 176, 177, 192, 220, 236, 240, 256, 264, 295, 320, 330, 352, 354, 384, 440, 472, 480, 512, 528, 590, 640, 649, 660, 704, 708, 768, 880, 885, 944, 960, 1024, 1056, 1180, 1280, 1298, 1320, 1408, 1416, 1536, 1760, 1770, 1888, 1920, 1947, 2048, 2112, 2360, 2560, 2596, 2640, 2816, 2832, 3072, 3245, 3520, 3540, 3776, 3840, 3894, 4224, 4720, 5120, 5192, 5280, 5632, 5664, 6144, 6490, 7040, 7080, 7552, 7680, 7788, 8448, 9440, 9735, 10240, 10384, 10560, 11264, 11328, 12980, 14080, 14160, 15104, 15360, 15576, 16896, 18880, 19470, 20768, 21120, 22528, 22656, 25960, 28160, 28320, 30208, 30720, 31152, 33792, 37760, 38940, 41536, 42240, 45312, 51920, 56320, 56640, 60416, 62304, 67584, 75520, 77880, 83072, 84480, 90624, 103840, 112640, 113280, 120832, 124608, 151040, 155760, 166144, 168960, 181248, 207680, 226560, 249216, 302080, 311520, 332288, 337920, 362496, 415360, 453120, 498432, 604160, 623040, 664576, 830720, 906240, 996864, 1246080, 1329152, 1661440, 1812480, 1993728, 2492160, 3322880, 3987456, 4984320, 6645760, 9968640, 19937280]

約数ペア:

[(1, 19937280), (2, 9968640), (3, 6645760), (4, 4984320), (5, 3987456), (6, 3322880), (8, 2492160), (10, 1993728), (11, 1812480), (12, 1661440), (15, 1329152), (16, 1246080), (20, 996864), (22, 906240), (24, 830720), (30, 664576), (32, 623040), (33, 604160), (40, 498432), (44, 453120), (48, 415360), (55, 362496), (59, 337920), (60, 332288), (64, 311520), (66, 302080), (80, 249216), (88, 226560), (96, 207680), (110, 181248), (118, 168960), (120, 166144), (128, 155760), (132, 151040), (160, 124608), (165, 120832), (176, 113280), (177, 112640), (192, 103840), (220, 90624), (236, 84480), (240, 83072), (256, 77880), (264, 75520), (295, 67584), (320, 62304), (330, 60416), (352, 56640), (354, 56320), (384, 51920), (440, 45312), (472, 42240), (480, 41536), (512, 38940), (528, 37760), (590, 33792), (640, 31152), (649, 30720), (660, 30208), (704, 28320), (708, 28160), (768, 25960), (880, 22656), (885, 22528), (944, 21120), (960, 20768), (1024, 19470), (1056, 18880), (1180, 16896), (1280, 15576), (1298, 15360), (1320, 15104), (1408, 14160), (1416, 14080), (1536, 12980), (1760, 11328), (1770, 11264), (1888, 10560), (1920, 10384), (1947, 10240), (2048, 9735), (2112, 9440), (2360, 8448), (2560, 7788), (2596, 7680), (2640, 7552), (2816, 7080), (2832, 7040), (3072, 6490), (3245, 6144), (3520, 5664), (3540, 5632), (3776, 5280), (3840, 5192), (3894, 5120), (4224, 4720)]