81212160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21149}}^1$

素因数の和:21173

約数の個数: 72

約数和(自身を含む): 259383600

約数和(自身を除く): 178171440

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, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21149, 42298, 63447, 84596, 105745, 126894, 169192, 211490, 253788, 317235, 338384, 422980, 507576, 634470, 676768, 845960, 1015152, 1268940, 1353536, 1691920, 2030304, 2537880, 2707072, 3383840, 4060608, 5075760, 5414144, 6767680, 8121216, 10151520, 13535360, 16242432, 20303040, 27070720, 40606080, 81212160]

約数ペア:

[(1, 81212160), (2, 40606080), (3, 27070720), (4, 20303040), (5, 16242432), (6, 13535360), (8, 10151520), (10, 8121216), (12, 6767680), (15, 5414144), (16, 5075760), (20, 4060608), (24, 3383840), (30, 2707072), (32, 2537880), (40, 2030304), (48, 1691920), (60, 1353536), (64, 1268940), (80, 1015152), (96, 845960), (120, 676768), (128, 634470), (160, 507576), (192, 422980), (240, 338384), (256, 317235), (320, 253788), (384, 211490), (480, 169192), (640, 126894), (768, 105745), (960, 84596), (1280, 63447), (1920, 42298), (3840, 21149)]