205751280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122471}}^1$

素因数の和:122494

約数の個数: 80

約数和(自身を含む): 728953344

約数和(自身を除く): 523202064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 122471, 244942, 367413, 489884, 612355, 734826, 857297, 979768, 1224710, 1469652, 1714594, 1837065, 1959536, 2449420, 2571891, 2939304, 3429188, 3674130, 4286485, 4898840, 5143782, 5878608, 6858376, 7348260, 8572970, 9797680, 10287564, 12859455, 13716752, 14696520, 17145940, 20575128, 25718910, 29393040, 34291880, 41150256, 51437820, 68583760, 102875640, 205751280]

約数ペア:

[(1, 205751280), (2, 102875640), (3, 68583760), (4, 51437820), (5, 41150256), (6, 34291880), (7, 29393040), (8, 25718910), (10, 20575128), (12, 17145940), (14, 14696520), (15, 13716752), (16, 12859455), (20, 10287564), (21, 9797680), (24, 8572970), (28, 7348260), (30, 6858376), (35, 5878608), (40, 5143782), (42, 4898840), (48, 4286485), (56, 3674130), (60, 3429188), (70, 2939304), (80, 2571891), (84, 2449420), (105, 1959536), (112, 1837065), (120, 1714594), (140, 1469652), (168, 1224710), (210, 979768), (240, 857297), (280, 734826), (336, 612355), (420, 489884), (560, 367413), (840, 244942), (1680, 122471)]