15782880

素因数分解:

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

素因数の和:400

約数の個数: 96

約数和(自身を含む): 50295168

約数和(自身を除く): 34512288

約数列:

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

約数ペア:

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