1278487060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{3347}}^1$

素因数の和:3696

約数の個数: 48

約数和(自身を含む): 2733575040

約数和(自身を除く): 1455087980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 269, 284, 355, 538, 710, 1076, 1345, 1420, 2690, 3347, 5380, 6694, 13388, 16735, 19099, 33470, 38198, 66940, 76396, 95495, 190990, 237637, 381980, 475274, 900343, 950548, 1188185, 1800686, 2376370, 3601372, 4501715, 4752740, 9003430, 18006860, 63924353, 127848706, 255697412, 319621765, 639243530, 1278487060]

約数ペア:

[(1, 1278487060), (2, 639243530), (4, 319621765), (5, 255697412), (10, 127848706), (20, 63924353), (71, 18006860), (142, 9003430), (269, 4752740), (284, 4501715), (355, 3601372), (538, 2376370), (710, 1800686), (1076, 1188185), (1345, 950548), (1420, 900343), (2690, 475274), (3347, 381980), (5380, 237637), (6694, 190990), (13388, 95495), (16735, 76396), (19099, 66940), (33470, 38198)]