80747520

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 176

約数和(自身を含む): 295554048

約数和(自身を除く): 214806528

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, 751, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1502, 1536, 1680, 1792, 1920, 2240, 2253, 2560, 2688, 3004, 3072, 3360, 3584, 3755, 3840, 4480, 4506, 5120, 5257, 5376, 6008, 6720, 7168, 7510, 7680, 8960, 9012, 10514, 10752, 11265, 12016, 13440, 15020, 15360, 15771, 17920, 18024, 21028, 21504, 22530, 24032, 26285, 26880, 30040, 31542, 35840, 36048, 42056, 45060, 48064, 52570, 53760, 60080, 63084, 72096, 78855, 84112, 90120, 96128, 105140, 107520, 120160, 126168, 144192, 157710, 168224, 180240, 192256, 210280, 240320, 252336, 288384, 315420, 336448, 360480, 384512, 420560, 480640, 504672, 576768, 630840, 672896, 720960, 769024, 841120, 961280, 1009344, 1153536, 1261680, 1345792, 1441920, 1682240, 1922560, 2018688, 2307072, 2523360, 2691584, 2883840, 3364480, 3845120, 4037376, 5046720, 5383168, 5767680, 6728960, 8074752, 10093440, 11535360, 13457920, 16149504, 20186880, 26915840, 40373760, 80747520]

約数ペア:

[(1, 80747520), (2, 40373760), (3, 26915840), (4, 20186880), (5, 16149504), (6, 13457920), (7, 11535360), (8, 10093440), (10, 8074752), (12, 6728960), (14, 5767680), (15, 5383168), (16, 5046720), (20, 4037376), (21, 3845120), (24, 3364480), (28, 2883840), (30, 2691584), (32, 2523360), (35, 2307072), (40, 2018688), (42, 1922560), (48, 1682240), (56, 1441920), (60, 1345792), (64, 1261680), (70, 1153536), (80, 1009344), (84, 961280), (96, 841120), (105, 769024), (112, 720960), (120, 672896), (128, 630840), (140, 576768), (160, 504672), (168, 480640), (192, 420560), (210, 384512), (224, 360480), (240, 336448), (256, 315420), (280, 288384), (320, 252336), (336, 240320), (384, 210280), (420, 192256), (448, 180240), (480, 168224), (512, 157710), (560, 144192), (640, 126168), (672, 120160), (751, 107520), (768, 105140), (840, 96128), (896, 90120), (960, 84112), (1024, 78855), (1120, 72096), (1280, 63084), (1344, 60080), (1502, 53760), (1536, 52570), (1680, 48064), (1792, 45060), (1920, 42056), (2240, 36048), (2253, 35840), (2560, 31542), (2688, 30040), (3004, 26880), (3072, 26285), (3360, 24032), (3584, 22530), (3755, 21504), (3840, 21028), (4480, 18024), (4506, 17920), (5120, 15771), (5257, 15360), (5376, 15020), (6008, 13440), (6720, 12016), (7168, 11265), (7510, 10752), (7680, 10514), (8960, 9012)]