51322860

素因数分解:

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

素因数の和:1447

約数の個数: 72

約数和(自身を含む): 156461760

約数和(自身を除く): 105138900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1193, 1195, 1434, 2151, 2386, 2390, 2868, 3579, 3585, 4302, 4772, 4780, 5965, 7158, 7170, 8604, 10737, 10755, 11930, 14316, 14340, 17895, 21474, 21510, 23860, 35790, 42948, 43020, 53685, 71580, 107370, 214740, 285127, 570254, 855381, 1140508, 1425635, 1710762, 2566143, 2851270, 3421524, 4276905, 5132286, 5702540, 8553810, 10264572, 12830715, 17107620, 25661430, 51322860]

約数ペア:

[(1, 51322860), (2, 25661430), (3, 17107620), (4, 12830715), (5, 10264572), (6, 8553810), (9, 5702540), (10, 5132286), (12, 4276905), (15, 3421524), (18, 2851270), (20, 2566143), (30, 1710762), (36, 1425635), (45, 1140508), (60, 855381), (90, 570254), (180, 285127), (239, 214740), (478, 107370), (717, 71580), (956, 53685), (1193, 43020), (1195, 42948), (1434, 35790), (2151, 23860), (2386, 21510), (2390, 21474), (2868, 17895), (3579, 14340), (3585, 14316), (4302, 11930), (4772, 10755), (4780, 10737), (5965, 8604), (7158, 7170)]