205291440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1193}}^1$

素因数の和:1451

約数の個数: 120

約数和(自身を含む): 692902080

約数和(自身を除く): 487610640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1193, 1195, 1434, 1912, 2151, 2386, 2390, 2868, 3579, 3585, 3824, 4302, 4772, 4780, 5736, 5965, 7158, 7170, 8604, 9544, 9560, 10737, 10755, 11472, 11930, 14316, 14340, 17208, 17895, 19088, 19120, 21474, 21510, 23860, 28632, 28680, 34416, 35790, 42948, 43020, 47720, 53685, 57264, 57360, 71580, 85896, 86040, 95440, 107370, 143160, 171792, 172080, 214740, 285127, 286320, 429480, 570254, 855381, 858960, 1140508, 1425635, 1710762, 2281016, 2566143, 2851270, 3421524, 4276905, 4562032, 5132286, 5702540, 6843048, 8553810, 10264572, 11405080, 12830715, 13686096, 17107620, 20529144, 22810160, 25661430, 34215240, 41058288, 51322860, 68430480, 102645720, 205291440]

約数ペア:

[(1, 205291440), (2, 102645720), (3, 68430480), (4, 51322860), (5, 41058288), (6, 34215240), (8, 25661430), (9, 22810160), (10, 20529144), (12, 17107620), (15, 13686096), (16, 12830715), (18, 11405080), (20, 10264572), (24, 8553810), (30, 6843048), (36, 5702540), (40, 5132286), (45, 4562032), (48, 4276905), (60, 3421524), (72, 2851270), (80, 2566143), (90, 2281016), (120, 1710762), (144, 1425635), (180, 1140508), (239, 858960), (240, 855381), (360, 570254), (478, 429480), (717, 286320), (720, 285127), (956, 214740), (1193, 172080), (1195, 171792), (1434, 143160), (1912, 107370), (2151, 95440), (2386, 86040), (2390, 85896), (2868, 71580), (3579, 57360), (3585, 57264), (3824, 53685), (4302, 47720), (4772, 43020), (4780, 42948), (5736, 35790), (5965, 34416), (7158, 28680), (7170, 28632), (8604, 23860), (9544, 21510), (9560, 21474), (10737, 19120), (10755, 19088), (11472, 17895), (11930, 17208), (14316, 14340)]