1720320

素因数分解:

$2^{14}\times 3^1\times 5^1\times 7^1$

素因数の和:43

約数の個数: 120

約数和(自身を含む): 6291264

約数和(自身を除く): 4570944

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, 8192, 8960, 10240, 10752, 12288, 13440, 14336, 15360, 16384, 17920, 20480, 21504, 24576, 26880, 28672, 30720, 35840, 40960, 43008, 49152, 53760, 57344, 61440, 71680, 81920, 86016, 107520, 114688, 122880, 143360, 172032, 215040, 245760, 286720, 344064, 430080, 573440, 860160, 1720320]

約数ペア:

[(1, 1720320), (2, 860160), (3, 573440), (4, 430080), (5, 344064), (6, 286720), (7, 245760), (8, 215040), (10, 172032), (12, 143360), (14, 122880), (15, 114688), (16, 107520), (20, 86016), (21, 81920), (24, 71680), (28, 61440), (30, 57344), (32, 53760), (35, 49152), (40, 43008), (42, 40960), (48, 35840), (56, 30720), (60, 28672), (64, 26880), (70, 24576), (80, 21504), (84, 20480), (96, 17920), (105, 16384), (112, 15360), (120, 14336), (128, 13440), (140, 12288), (160, 10752), (168, 10240), (192, 8960), (210, 8192), (224, 7680), (240, 7168), (256, 6720), (280, 6144), (320, 5376), (336, 5120), (384, 4480), (420, 4096), (448, 3840), (480, 3584), (512, 3360), (560, 3072), (640, 2688), (672, 2560), (768, 2240), (840, 2048), (896, 1920), (960, 1792), (1024, 1680), (1120, 1536), (1280, 1344)]