80731840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1567}}^1$

素因数の和:1614

約数の個数: 112

約数和(自身を含む): 229404672

約数和(自身を除く): 148672832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1567, 1610, 1840, 2240, 2576, 3134, 3220, 3680, 5152, 6268, 6440, 7360, 7835, 10304, 10969, 12536, 12880, 15670, 21938, 25072, 25760, 31340, 36041, 43876, 50144, 51520, 54845, 62680, 72082, 87752, 100288, 109690, 125360, 144164, 175504, 180205, 219380, 250720, 252287, 288328, 351008, 360410, 438760, 501440, 504574, 576656, 702016, 720820, 877520, 1009148, 1153312, 1261435, 1441640, 1755040, 2018296, 2306624, 2522870, 2883280, 3510080, 4036592, 5045740, 5766560, 8073184, 10091480, 11533120, 16146368, 20182960, 40365920, 80731840]

約数ペア:

[(1, 80731840), (2, 40365920), (4, 20182960), (5, 16146368), (7, 11533120), (8, 10091480), (10, 8073184), (14, 5766560), (16, 5045740), (20, 4036592), (23, 3510080), (28, 2883280), (32, 2522870), (35, 2306624), (40, 2018296), (46, 1755040), (56, 1441640), (64, 1261435), (70, 1153312), (80, 1009148), (92, 877520), (112, 720820), (115, 702016), (140, 576656), (160, 504574), (161, 501440), (184, 438760), (224, 360410), (230, 351008), (280, 288328), (320, 252287), (322, 250720), (368, 219380), (448, 180205), (460, 175504), (560, 144164), (644, 125360), (736, 109690), (805, 100288), (920, 87752), (1120, 72082), (1288, 62680), (1472, 54845), (1567, 51520), (1610, 50144), (1840, 43876), (2240, 36041), (2576, 31340), (3134, 25760), (3220, 25072), (3680, 21938), (5152, 15670), (6268, 12880), (6440, 12536), (7360, 10969), (7835, 10304)]