81256896

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{2879}}^1$

素因数の和:2911

約数の個数: 126

約数和(自身を含む): 271028160

約数和(自身を除く): 189771264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 392, 441, 448, 504, 576, 588, 672, 784, 882, 1008, 1176, 1344, 1568, 1764, 2016, 2352, 2879, 3136, 3528, 4032, 4704, 5758, 7056, 8637, 9408, 11516, 14112, 17274, 20153, 23032, 25911, 28224, 34548, 40306, 46064, 51822, 60459, 69096, 80612, 92128, 103644, 120918, 138192, 141071, 161224, 181377, 184256, 207288, 241836, 276384, 282142, 322448, 362754, 414576, 423213, 483672, 552768, 564284, 644896, 725508, 829152, 846426, 967344, 1128568, 1269639, 1289792, 1451016, 1658304, 1692852, 1934688, 2257136, 2539278, 2902032, 3385704, 3869376, 4514272, 5078556, 5804064, 6771408, 9028544, 10157112, 11608128, 13542816, 20314224, 27085632, 40628448, 81256896]

約数ペア:

[(1, 81256896), (2, 40628448), (3, 27085632), (4, 20314224), (6, 13542816), (7, 11608128), (8, 10157112), (9, 9028544), (12, 6771408), (14, 5804064), (16, 5078556), (18, 4514272), (21, 3869376), (24, 3385704), (28, 2902032), (32, 2539278), (36, 2257136), (42, 1934688), (48, 1692852), (49, 1658304), (56, 1451016), (63, 1289792), (64, 1269639), (72, 1128568), (84, 967344), (96, 846426), (98, 829152), (112, 725508), (126, 644896), (144, 564284), (147, 552768), (168, 483672), (192, 423213), (196, 414576), (224, 362754), (252, 322448), (288, 282142), (294, 276384), (336, 241836), (392, 207288), (441, 184256), (448, 181377), (504, 161224), (576, 141071), (588, 138192), (672, 120918), (784, 103644), (882, 92128), (1008, 80612), (1176, 69096), (1344, 60459), (1568, 51822), (1764, 46064), (2016, 40306), (2352, 34548), (2879, 28224), (3136, 25911), (3528, 23032), (4032, 20153), (4704, 17274), (5758, 14112), (7056, 11516), (8637, 9408)]