205324740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{380231}}^1$

素因数の和:380249

約数の個数: 48

約数和(自身を含む): 638789760

約数和(自身を除く): 433465020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 380231, 760462, 1140693, 1520924, 1901155, 2281386, 3422079, 3802310, 4562772, 5703465, 6844158, 7604620, 10266237, 11406930, 13688316, 17110395, 20532474, 22813860, 34220790, 41064948, 51331185, 68441580, 102662370, 205324740]

約数ペア:

[(1, 205324740), (2, 102662370), (3, 68441580), (4, 51331185), (5, 41064948), (6, 34220790), (9, 22813860), (10, 20532474), (12, 17110395), (15, 13688316), (18, 11406930), (20, 10266237), (27, 7604620), (30, 6844158), (36, 5703465), (45, 4562772), (54, 3802310), (60, 3422079), (90, 2281386), (108, 1901155), (135, 1520924), (180, 1140693), (270, 760462), (540, 380231)]