206247720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245533}}^1$

素因数の和:245554

約数の個数: 64

約数和(自身を含む): 707137920

約数和(自身を除く): 500890200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 245533, 491066, 736599, 982132, 1227665, 1473198, 1718731, 1964264, 2455330, 2946396, 3437462, 3682995, 4910660, 5156193, 5892792, 6874924, 7365990, 8593655, 9821320, 10312386, 13749848, 14731980, 17187310, 20624772, 25780965, 29463960, 34374620, 41249544, 51561930, 68749240, 103123860, 206247720]

約数ペア:

[(1, 206247720), (2, 103123860), (3, 68749240), (4, 51561930), (5, 41249544), (6, 34374620), (7, 29463960), (8, 25780965), (10, 20624772), (12, 17187310), (14, 14731980), (15, 13749848), (20, 10312386), (21, 9821320), (24, 8593655), (28, 7365990), (30, 6874924), (35, 5892792), (40, 5156193), (42, 4910660), (56, 3682995), (60, 3437462), (70, 2946396), (84, 2455330), (105, 1964264), (120, 1718731), (140, 1473198), (168, 1227665), (210, 982132), (280, 736599), (420, 491066), (840, 245533)]