51006720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 167771520

約数和(自身を除く): 116764800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 256, 296, 320, 359, 370, 384, 444, 480, 555, 592, 640, 718, 740, 768, 888, 960, 1077, 1110, 1184, 1280, 1436, 1480, 1776, 1795, 1920, 2154, 2220, 2368, 2872, 2960, 3552, 3590, 3840, 4308, 4440, 4736, 5385, 5744, 5920, 7104, 7180, 8616, 8880, 9472, 10770, 11488, 11840, 13283, 14208, 14360, 17232, 17760, 21540, 22976, 23680, 26566, 28416, 28720, 34464, 35520, 39849, 43080, 45952, 47360, 53132, 57440, 66415, 68928, 71040, 79698, 86160, 91904, 106264, 114880, 132830, 137856, 142080, 159396, 172320, 199245, 212528, 229760, 265660, 275712, 318792, 344640, 398490, 425056, 459520, 531320, 637584, 689280, 796980, 850112, 1062640, 1275168, 1378560, 1593960, 1700224, 2125280, 2550336, 3187920, 3400448, 4250560, 5100672, 6375840, 8501120, 10201344, 12751680, 17002240, 25503360, 51006720]

約数ペア:

[(1, 51006720), (2, 25503360), (3, 17002240), (4, 12751680), (5, 10201344), (6, 8501120), (8, 6375840), (10, 5100672), (12, 4250560), (15, 3400448), (16, 3187920), (20, 2550336), (24, 2125280), (30, 1700224), (32, 1593960), (37, 1378560), (40, 1275168), (48, 1062640), (60, 850112), (64, 796980), (74, 689280), (80, 637584), (96, 531320), (111, 459520), (120, 425056), (128, 398490), (148, 344640), (160, 318792), (185, 275712), (192, 265660), (222, 229760), (240, 212528), (256, 199245), (296, 172320), (320, 159396), (359, 142080), (370, 137856), (384, 132830), (444, 114880), (480, 106264), (555, 91904), (592, 86160), (640, 79698), (718, 71040), (740, 68928), (768, 66415), (888, 57440), (960, 53132), (1077, 47360), (1110, 45952), (1184, 43080), (1280, 39849), (1436, 35520), (1480, 34464), (1776, 28720), (1795, 28416), (1920, 26566), (2154, 23680), (2220, 22976), (2368, 21540), (2872, 17760), (2960, 17232), (3552, 14360), (3590, 14208), (3840, 13283), (4308, 11840), (4440, 11488), (4736, 10770), (5385, 9472), (5744, 8880), (5920, 8616), (7104, 7180)]