1280454875

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1459}}^1$

素因数の和:1557

約数の個数: 64

約数和(自身を含む): 1967846400

約数和(自身を除く): 687391525

約数列:

[1, 5, 7, 17, 25, 35, 59, 85, 119, 125, 175, 295, 413, 425, 595, 875, 1003, 1459, 1475, 2065, 2125, 2975, 5015, 7021, 7295, 7375, 10213, 10325, 14875, 24803, 25075, 35105, 36475, 51065, 51625, 86081, 124015, 125375, 173621, 175525, 182375, 255325, 430405, 602567, 620075, 868105, 877625, 1276625, 1463377, 2152025, 3012835, 3100375, 4340525, 7316885, 10243639, 10760125, 15064175, 21702625, 36584425, 51218195, 75320875, 182922125, 256090975, 1280454875]

約数ペア:

[(1, 1280454875), (5, 256090975), (7, 182922125), (17, 75320875), (25, 51218195), (35, 36584425), (59, 21702625), (85, 15064175), (119, 10760125), (125, 10243639), (175, 7316885), (295, 4340525), (413, 3100375), (425, 3012835), (595, 2152025), (875, 1463377), (1003, 1276625), (1459, 877625), (1475, 868105), (2065, 620075), (2125, 602567), (2975, 430405), (5015, 255325), (7021, 182375), (7295, 175525), (7375, 173621), (10213, 125375), (10325, 124015), (14875, 86081), (24803, 51625), (25075, 51065), (35105, 36475)]