13128960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 45327744

約数和(自身を除く): 32198784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 263, 312, 320, 384, 390, 416, 480, 520, 526, 624, 640, 768, 780, 789, 832, 960, 1040, 1052, 1248, 1280, 1315, 1560, 1578, 1664, 1920, 2080, 2104, 2496, 2630, 3120, 3156, 3328, 3419, 3840, 3945, 4160, 4208, 4992, 5260, 6240, 6312, 6838, 7890, 8320, 8416, 9984, 10257, 10520, 12480, 12624, 13676, 15780, 16640, 16832, 17095, 20514, 21040, 24960, 25248, 27352, 31560, 33664, 34190, 41028, 42080, 49920, 50496, 51285, 54704, 63120, 67328, 68380, 82056, 84160, 100992, 102570, 109408, 126240, 136760, 164112, 168320, 201984, 205140, 218816, 252480, 273520, 328224, 336640, 410280, 437632, 504960, 547040, 656448, 820560, 875264, 1009920, 1094080, 1312896, 1641120, 2188160, 2625792, 3282240, 4376320, 6564480, 13128960]

約数ペア:

[(1, 13128960), (2, 6564480), (3, 4376320), (4, 3282240), (5, 2625792), (6, 2188160), (8, 1641120), (10, 1312896), (12, 1094080), (13, 1009920), (15, 875264), (16, 820560), (20, 656448), (24, 547040), (26, 504960), (30, 437632), (32, 410280), (39, 336640), (40, 328224), (48, 273520), (52, 252480), (60, 218816), (64, 205140), (65, 201984), (78, 168320), (80, 164112), (96, 136760), (104, 126240), (120, 109408), (128, 102570), (130, 100992), (156, 84160), (160, 82056), (192, 68380), (195, 67328), (208, 63120), (240, 54704), (256, 51285), (260, 50496), (263, 49920), (312, 42080), (320, 41028), (384, 34190), (390, 33664), (416, 31560), (480, 27352), (520, 25248), (526, 24960), (624, 21040), (640, 20514), (768, 17095), (780, 16832), (789, 16640), (832, 15780), (960, 13676), (1040, 12624), (1052, 12480), (1248, 10520), (1280, 10257), (1315, 9984), (1560, 8416), (1578, 8320), (1664, 7890), (1920, 6838), (2080, 6312), (2104, 6240), (2496, 5260), (2630, 4992), (3120, 4208), (3156, 4160), (3328, 3945), (3419, 3840)]