31565760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:402

約数の個数: 112

約数和(自身を含む): 101388672

約数和(自身を除く): 69822912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 131, 160, 192, 240, 251, 262, 320, 393, 480, 502, 524, 655, 753, 786, 960, 1004, 1048, 1255, 1310, 1506, 1572, 1965, 2008, 2096, 2510, 2620, 3012, 3144, 3765, 3930, 4016, 4192, 5020, 5240, 6024, 6288, 7530, 7860, 8032, 8384, 10040, 10480, 12048, 12576, 15060, 15720, 16064, 20080, 20960, 24096, 25152, 30120, 31440, 32881, 40160, 41920, 48192, 60240, 62880, 65762, 80320, 98643, 120480, 125760, 131524, 164405, 197286, 240960, 263048, 328810, 394572, 493215, 526096, 657620, 789144, 986430, 1052192, 1315240, 1578288, 1972860, 2104384, 2630480, 3156576, 3945720, 5260960, 6313152, 7891440, 10521920, 15782880, 31565760]

約数ペア:

[(1, 31565760), (2, 15782880), (3, 10521920), (4, 7891440), (5, 6313152), (6, 5260960), (8, 3945720), (10, 3156576), (12, 2630480), (15, 2104384), (16, 1972860), (20, 1578288), (24, 1315240), (30, 1052192), (32, 986430), (40, 789144), (48, 657620), (60, 526096), (64, 493215), (80, 394572), (96, 328810), (120, 263048), (131, 240960), (160, 197286), (192, 164405), (240, 131524), (251, 125760), (262, 120480), (320, 98643), (393, 80320), (480, 65762), (502, 62880), (524, 60240), (655, 48192), (753, 41920), (786, 40160), (960, 32881), (1004, 31440), (1048, 30120), (1255, 25152), (1310, 24096), (1506, 20960), (1572, 20080), (1965, 16064), (2008, 15720), (2096, 15060), (2510, 12576), (2620, 12048), (3012, 10480), (3144, 10040), (3765, 8384), (3930, 8032), (4016, 7860), (4192, 7530), (5020, 6288), (5240, 6024)]