256352220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{1303}}^1$

素因数の和:2411

約数の個数: 72

約数和(自身を含む): 778910496

約数和(自身を除く): 522558276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1093, 1303, 2186, 2606, 3279, 3909, 4372, 5212, 5465, 6515, 6558, 7818, 9837, 10930, 11727, 13030, 13116, 15636, 16395, 19545, 19674, 21860, 23454, 26060, 32790, 39090, 39348, 46908, 49185, 58635, 65580, 78180, 98370, 117270, 196740, 234540, 1424179, 2848358, 4272537, 5696716, 7120895, 8545074, 12817611, 14241790, 17090148, 21362685, 25635222, 28483580, 42725370, 51270444, 64088055, 85450740, 128176110, 256352220]

約数ペア:

[(1, 256352220), (2, 128176110), (3, 85450740), (4, 64088055), (5, 51270444), (6, 42725370), (9, 28483580), (10, 25635222), (12, 21362685), (15, 17090148), (18, 14241790), (20, 12817611), (30, 8545074), (36, 7120895), (45, 5696716), (60, 4272537), (90, 2848358), (180, 1424179), (1093, 234540), (1303, 196740), (2186, 117270), (2606, 98370), (3279, 78180), (3909, 65580), (4372, 58635), (5212, 49185), (5465, 46908), (6515, 39348), (6558, 39090), (7818, 32790), (9837, 26060), (10930, 23454), (11727, 21860), (13030, 19674), (13116, 19545), (15636, 16395)]