74538640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1288

約数の個数: 80

約数和(自身を含む): 191880576

約数和(自身を除く): 117341936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1193, 1420, 1562, 2386, 2840, 3124, 3905, 4772, 5680, 5965, 6248, 7810, 9544, 11930, 12496, 13123, 15620, 19088, 23860, 26246, 31240, 47720, 52492, 62480, 65615, 84703, 95440, 104984, 131230, 169406, 209968, 262460, 338812, 423515, 524920, 677624, 847030, 931733, 1049840, 1355248, 1694060, 1863466, 3388120, 3726932, 4658665, 6776240, 7453864, 9317330, 14907728, 18634660, 37269320, 74538640]

約数ペア:

[(1, 74538640), (2, 37269320), (4, 18634660), (5, 14907728), (8, 9317330), (10, 7453864), (11, 6776240), (16, 4658665), (20, 3726932), (22, 3388120), (40, 1863466), (44, 1694060), (55, 1355248), (71, 1049840), (80, 931733), (88, 847030), (110, 677624), (142, 524920), (176, 423515), (220, 338812), (284, 262460), (355, 209968), (440, 169406), (568, 131230), (710, 104984), (781, 95440), (880, 84703), (1136, 65615), (1193, 62480), (1420, 52492), (1562, 47720), (2386, 31240), (2840, 26246), (3124, 23860), (3905, 19088), (4772, 15620), (5680, 13123), (5965, 12496), (6248, 11930), (7810, 9544)]