2247136720

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1\times {\mathrm{499}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 5280912000

約数和(自身を除く): 3033775280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 311, 362, 499, 622, 724, 905, 998, 1244, 1448, 1555, 1810, 1996, 2488, 2495, 2896, 3110, 3620, 3992, 4976, 4990, 6220, 7240, 7984, 9980, 12440, 14480, 19960, 24880, 39920, 56291, 90319, 112582, 155189, 180638, 225164, 281455, 310378, 361276, 450328, 451595, 562910, 620756, 722552, 775945, 900656, 903190, 1125820, 1241512, 1445104, 1551890, 1806380, 2251640, 2483024, 3103780, 3612760, 4503280, 6207560, 7225520, 12415120, 28089209, 56178418, 112356836, 140446045, 224713672, 280892090, 449427344, 561784180, 1123568360, 2247136720]

約数ペア:

[(1, 2247136720), (2, 1123568360), (4, 561784180), (5, 449427344), (8, 280892090), (10, 224713672), (16, 140446045), (20, 112356836), (40, 56178418), (80, 28089209), (181, 12415120), (311, 7225520), (362, 6207560), (499, 4503280), (622, 3612760), (724, 3103780), (905, 2483024), (998, 2251640), (1244, 1806380), (1448, 1551890), (1555, 1445104), (1810, 1241512), (1996, 1125820), (2488, 903190), (2495, 900656), (2896, 775945), (3110, 722552), (3620, 620756), (3992, 562910), (4976, 451595), (4990, 450328), (6220, 361276), (7240, 310378), (7984, 281455), (9980, 225164), (12440, 180638), (14480, 155189), (19960, 112582), (24880, 90319), (39920, 56291)]