81907728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{769}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 242901120

約数和(自身を除く): 160993392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 317, 336, 634, 769, 951, 1268, 1538, 1902, 2219, 2307, 2536, 3076, 3804, 4438, 4614, 5072, 5383, 6152, 6657, 7608, 8876, 9228, 10766, 12304, 13314, 15216, 16149, 17752, 18456, 21532, 26628, 32298, 35504, 36912, 43064, 53256, 64596, 86128, 106512, 129192, 243773, 258384, 487546, 731319, 975092, 1462638, 1706411, 1950184, 2925276, 3412822, 3900368, 5119233, 5850552, 6825644, 10238466, 11701104, 13651288, 20476932, 27302576, 40953864, 81907728]

約数ペア:

[(1, 81907728), (2, 40953864), (3, 27302576), (4, 20476932), (6, 13651288), (7, 11701104), (8, 10238466), (12, 6825644), (14, 5850552), (16, 5119233), (21, 3900368), (24, 3412822), (28, 2925276), (42, 1950184), (48, 1706411), (56, 1462638), (84, 975092), (112, 731319), (168, 487546), (317, 258384), (336, 243773), (634, 129192), (769, 106512), (951, 86128), (1268, 64596), (1538, 53256), (1902, 43064), (2219, 36912), (2307, 35504), (2536, 32298), (3076, 26628), (3804, 21532), (4438, 18456), (4614, 17752), (5072, 16149), (5383, 15216), (6152, 13314), (6657, 12304), (7608, 10766), (8876, 9228)]