208821456

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^2\times {\mathrm{503}}^1$

素因数の和:582

約数の個数: 120

約数和(自身を含む): 620585280

約数和(自身を除く): 411763824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 503, 558, 744, 837, 961, 1006, 1116, 1488, 1509, 1674, 1922, 2012, 2232, 2883, 3018, 3348, 3844, 4024, 4464, 4527, 5766, 6036, 6696, 7688, 8048, 8649, 9054, 11532, 12072, 13392, 13581, 15376, 15593, 17298, 18108, 23064, 24144, 25947, 27162, 31186, 34596, 36216, 46128, 46779, 51894, 54324, 62372, 69192, 72432, 93558, 103788, 108648, 124744, 138384, 140337, 187116, 207576, 217296, 249488, 280674, 374232, 415152, 421011, 483383, 561348, 748464, 842022, 966766, 1122696, 1450149, 1684044, 1933532, 2245392, 2900298, 3368088, 3867064, 4350447, 5800596, 6736176, 7734128, 8700894, 11601192, 13051341, 17401788, 23202384, 26102682, 34803576, 52205364, 69607152, 104410728, 208821456]

約数ペア:

[(1, 208821456), (2, 104410728), (3, 69607152), (4, 52205364), (6, 34803576), (8, 26102682), (9, 23202384), (12, 17401788), (16, 13051341), (18, 11601192), (24, 8700894), (27, 7734128), (31, 6736176), (36, 5800596), (48, 4350447), (54, 3867064), (62, 3368088), (72, 2900298), (93, 2245392), (108, 1933532), (124, 1684044), (144, 1450149), (186, 1122696), (216, 966766), (248, 842022), (279, 748464), (372, 561348), (432, 483383), (496, 421011), (503, 415152), (558, 374232), (744, 280674), (837, 249488), (961, 217296), (1006, 207576), (1116, 187116), (1488, 140337), (1509, 138384), (1674, 124744), (1922, 108648), (2012, 103788), (2232, 93558), (2883, 72432), (3018, 69192), (3348, 62372), (3844, 54324), (4024, 51894), (4464, 46779), (4527, 46128), (5766, 36216), (6036, 34596), (6696, 31186), (7688, 27162), (8048, 25947), (8649, 24144), (9054, 23064), (11532, 18108), (12072, 17298), (13392, 15593), (13581, 15376)]