81291840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{12097}}^1$

素因数の和:12124

約数の個数: 112

約数和(自身を含む): 294997632

約数和(自身を除く): 213705792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 12097, 24194, 36291, 48388, 60485, 72582, 84679, 96776, 120970, 145164, 169358, 181455, 193552, 241940, 254037, 290328, 338716, 362910, 387104, 423395, 483880, 508074, 580656, 677432, 725820, 774208, 846790, 967760, 1016148, 1161312, 1270185, 1354864, 1451640, 1693580, 1935520, 2032296, 2322624, 2540370, 2709728, 2903280, 3387160, 3871040, 4064592, 5080740, 5419456, 5806560, 6774320, 8129184, 10161480, 11613120, 13548640, 16258368, 20322960, 27097280, 40645920, 81291840]

約数ペア:

[(1, 81291840), (2, 40645920), (3, 27097280), (4, 20322960), (5, 16258368), (6, 13548640), (7, 11613120), (8, 10161480), (10, 8129184), (12, 6774320), (14, 5806560), (15, 5419456), (16, 5080740), (20, 4064592), (21, 3871040), (24, 3387160), (28, 2903280), (30, 2709728), (32, 2540370), (35, 2322624), (40, 2032296), (42, 1935520), (48, 1693580), (56, 1451640), (60, 1354864), (64, 1270185), (70, 1161312), (80, 1016148), (84, 967760), (96, 846790), (105, 774208), (112, 725820), (120, 677432), (140, 580656), (160, 508074), (168, 483880), (192, 423395), (210, 387104), (224, 362910), (240, 338716), (280, 290328), (320, 254037), (336, 241940), (420, 193552), (448, 181455), (480, 169358), (560, 145164), (672, 120970), (840, 96776), (960, 84679), (1120, 72582), (1344, 60485), (1680, 48388), (2240, 36291), (3360, 24194), (6720, 12097)]