1772168720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{2803}}^1$

素因数の和:3952

約数の個数: 80

約数和(自身を含む): 4714757760

約数和(自身を除く): 2942589040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1129, 2258, 2803, 4516, 5606, 5645, 7903, 9032, 11212, 11290, 14015, 15806, 18064, 19621, 22424, 22580, 28030, 31612, 39242, 39515, 44848, 45160, 56060, 63224, 78484, 79030, 90320, 98105, 112120, 126448, 156968, 158060, 196210, 224240, 313936, 316120, 392420, 632240, 784840, 1569680, 3164587, 6329174, 12658348, 15822935, 22152109, 25316696, 31645870, 44304218, 50633392, 63291740, 88608436, 110760545, 126583480, 177216872, 221521090, 253166960, 354433744, 443042180, 886084360, 1772168720]

約数ペア:

[(1, 1772168720), (2, 886084360), (4, 443042180), (5, 354433744), (7, 253166960), (8, 221521090), (10, 177216872), (14, 126583480), (16, 110760545), (20, 88608436), (28, 63291740), (35, 50633392), (40, 44304218), (56, 31645870), (70, 25316696), (80, 22152109), (112, 15822935), (140, 12658348), (280, 6329174), (560, 3164587), (1129, 1569680), (2258, 784840), (2803, 632240), (4516, 392420), (5606, 316120), (5645, 313936), (7903, 224240), (9032, 196210), (11212, 158060), (11290, 156968), (14015, 126448), (15806, 112120), (18064, 98105), (19621, 90320), (22424, 79030), (22580, 78484), (28030, 63224), (31612, 56060), (39242, 45160), (39515, 44848)]