81457600

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{1039}}^1$

素因数の和:1075

約数の個数: 126

約数和(自身を含む): 233385360

約数和(自身を除く): 151927760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 700, 784, 800, 980, 1039, 1120, 1225, 1400, 1568, 1600, 1960, 2078, 2240, 2450, 2800, 3136, 3920, 4156, 4900, 5195, 5600, 7273, 7840, 8312, 9800, 10390, 11200, 14546, 15680, 16624, 19600, 20780, 25975, 29092, 33248, 36365, 39200, 41560, 50911, 51950, 58184, 66496, 72730, 78400, 83120, 101822, 103900, 116368, 145460, 166240, 181825, 203644, 207800, 232736, 254555, 290920, 332480, 363650, 407288, 415600, 465472, 509110, 581840, 727300, 814576, 831200, 1018220, 1163680, 1272775, 1454600, 1629152, 1662400, 2036440, 2327360, 2545550, 2909200, 3258304, 4072880, 5091100, 5818400, 8145760, 10182200, 11636800, 16291520, 20364400, 40728800, 81457600]

約数ペア:

[(1, 81457600), (2, 40728800), (4, 20364400), (5, 16291520), (7, 11636800), (8, 10182200), (10, 8145760), (14, 5818400), (16, 5091100), (20, 4072880), (25, 3258304), (28, 2909200), (32, 2545550), (35, 2327360), (40, 2036440), (49, 1662400), (50, 1629152), (56, 1454600), (64, 1272775), (70, 1163680), (80, 1018220), (98, 831200), (100, 814576), (112, 727300), (140, 581840), (160, 509110), (175, 465472), (196, 415600), (200, 407288), (224, 363650), (245, 332480), (280, 290920), (320, 254555), (350, 232736), (392, 207800), (400, 203644), (448, 181825), (490, 166240), (560, 145460), (700, 116368), (784, 103900), (800, 101822), (980, 83120), (1039, 78400), (1120, 72730), (1225, 66496), (1400, 58184), (1568, 51950), (1600, 50911), (1960, 41560), (2078, 39200), (2240, 36365), (2450, 33248), (2800, 29092), (3136, 25975), (3920, 20780), (4156, 19600), (4900, 16624), (5195, 15680), (5600, 14546), (7273, 11200), (7840, 10390), (8312, 9800)]