31791900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{15139}}^1$

素因数の和:15163

約数の個数: 72

約数和(自身を含む): 105132160

約数和(自身を除く): 73340260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 15139, 30278, 45417, 60556, 75695, 90834, 105973, 151390, 181668, 211946, 227085, 302780, 317919, 378475, 423892, 454170, 529865, 635838, 756950, 908340, 1059730, 1135425, 1271676, 1513900, 1589595, 2119460, 2270850, 2649325, 3179190, 4541700, 5298650, 6358380, 7947975, 10597300, 15895950, 31791900]

約数ペア:

[(1, 31791900), (2, 15895950), (3, 10597300), (4, 7947975), (5, 6358380), (6, 5298650), (7, 4541700), (10, 3179190), (12, 2649325), (14, 2270850), (15, 2119460), (20, 1589595), (21, 1513900), (25, 1271676), (28, 1135425), (30, 1059730), (35, 908340), (42, 756950), (50, 635838), (60, 529865), (70, 454170), (75, 423892), (84, 378475), (100, 317919), (105, 302780), (140, 227085), (150, 211946), (175, 181668), (210, 151390), (300, 105973), (350, 90834), (420, 75695), (525, 60556), (700, 45417), (1050, 30278), (2100, 15139)]