80985360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2657}}^1$

素因数の和:2800

約数の個数: 80

約数和(自身を含む): 253126656

約数和(自身を除く): 172141296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 2657, 3048, 3810, 5080, 5314, 6096, 7620, 7971, 10160, 10628, 13285, 15240, 15942, 21256, 26570, 30480, 31884, 39855, 42512, 53140, 63768, 79710, 106280, 127536, 159420, 212560, 318840, 337439, 637680, 674878, 1012317, 1349756, 1687195, 2024634, 2699512, 3374390, 4049268, 5061585, 5399024, 6748780, 8098536, 10123170, 13497560, 16197072, 20246340, 26995120, 40492680, 80985360]

約数ペア:

[(1, 80985360), (2, 40492680), (3, 26995120), (4, 20246340), (5, 16197072), (6, 13497560), (8, 10123170), (10, 8098536), (12, 6748780), (15, 5399024), (16, 5061585), (20, 4049268), (24, 3374390), (30, 2699512), (40, 2024634), (48, 1687195), (60, 1349756), (80, 1012317), (120, 674878), (127, 637680), (240, 337439), (254, 318840), (381, 212560), (508, 159420), (635, 127536), (762, 106280), (1016, 79710), (1270, 63768), (1524, 53140), (1905, 42512), (2032, 39855), (2540, 31884), (2657, 30480), (3048, 26570), (3810, 21256), (5080, 15942), (5314, 15240), (6096, 13285), (7620, 10628), (7971, 10160)]