209771520

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{1951}}^1$

素因数の和:1986

約数の個数: 176

約数和(自身を含む): 767182848

約数和(自身を除く): 557411328

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, 1951, 2240, 2560, 2688, 3072, 3360, 3584, 3840, 3902, 4480, 5120, 5376, 5853, 6720, 7168, 7680, 7804, 8960, 9755, 10752, 11706, 13440, 13657, 15360, 15608, 17920, 19510, 21504, 23412, 26880, 27314, 29265, 31216, 35840, 39020, 40971, 46824, 53760, 54628, 58530, 62432, 68285, 78040, 81942, 93648, 107520, 109256, 117060, 124864, 136570, 156080, 163884, 187296, 204855, 218512, 234120, 249728, 273140, 312160, 327768, 374592, 409710, 437024, 468240, 499456, 546280, 624320, 655536, 749184, 819420, 874048, 936480, 998912, 1092560, 1248640, 1311072, 1498368, 1638840, 1748096, 1872960, 1997824, 2185120, 2497280, 2622144, 2996736, 3277680, 3496192, 3745920, 4370240, 4994560, 5244288, 5993472, 6555360, 6992384, 7491840, 8740480, 9989120, 10488576, 13110720, 13984768, 14983680, 17480960, 20977152, 26221440, 29967360, 34961920, 41954304, 52442880, 69923840, 104885760, 209771520]

約数ペア:

[(1, 209771520), (2, 104885760), (3, 69923840), (4, 52442880), (5, 41954304), (6, 34961920), (7, 29967360), (8, 26221440), (10, 20977152), (12, 17480960), (14, 14983680), (15, 13984768), (16, 13110720), (20, 10488576), (21, 9989120), (24, 8740480), (28, 7491840), (30, 6992384), (32, 6555360), (35, 5993472), (40, 5244288), (42, 4994560), (48, 4370240), (56, 3745920), (60, 3496192), (64, 3277680), (70, 2996736), (80, 2622144), (84, 2497280), (96, 2185120), (105, 1997824), (112, 1872960), (120, 1748096), (128, 1638840), (140, 1498368), (160, 1311072), (168, 1248640), (192, 1092560), (210, 998912), (224, 936480), (240, 874048), (256, 819420), (280, 749184), (320, 655536), (336, 624320), (384, 546280), (420, 499456), (448, 468240), (480, 437024), (512, 409710), (560, 374592), (640, 327768), (672, 312160), (768, 273140), (840, 249728), (896, 234120), (960, 218512), (1024, 204855), (1120, 187296), (1280, 163884), (1344, 156080), (1536, 136570), (1680, 124864), (1792, 117060), (1920, 109256), (1951, 107520), (2240, 93648), (2560, 81942), (2688, 78040), (3072, 68285), (3360, 62432), (3584, 58530), (3840, 54628), (3902, 53760), (4480, 46824), (5120, 40971), (5376, 39020), (5853, 35840), (6720, 31216), (7168, 29265), (7680, 27314), (7804, 26880), (8960, 23412), (9755, 21504), (10752, 19510), (11706, 17920), (13440, 15608), (13657, 15360)]