128271456

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{3251}}^1$

素因数の和:3404

約数の個数: 72

約数和(自身を含む): 367547544

約数和(自身を除く): 239276088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 411, 548, 822, 1096, 1233, 1644, 2192, 2466, 3251, 3288, 4384, 4932, 6502, 6576, 9753, 9864, 13004, 13152, 19506, 19728, 26008, 29259, 39012, 39456, 52016, 58518, 78024, 104032, 117036, 156048, 234072, 312096, 445387, 468144, 890774, 936288, 1336161, 1781548, 2672322, 3563096, 4008483, 5344644, 7126192, 8016966, 10689288, 14252384, 16033932, 21378576, 32067864, 42757152, 64135728, 128271456]

約数ペア:

[(1, 128271456), (2, 64135728), (3, 42757152), (4, 32067864), (6, 21378576), (8, 16033932), (9, 14252384), (12, 10689288), (16, 8016966), (18, 7126192), (24, 5344644), (32, 4008483), (36, 3563096), (48, 2672322), (72, 1781548), (96, 1336161), (137, 936288), (144, 890774), (274, 468144), (288, 445387), (411, 312096), (548, 234072), (822, 156048), (1096, 117036), (1233, 104032), (1644, 78024), (2192, 58518), (2466, 52016), (3251, 39456), (3288, 39012), (4384, 29259), (4932, 26008), (6502, 19728), (6576, 19506), (9753, 13152), (9864, 13004)]