631712000

素因数分解:

$2^8\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1089

約数の個数: 144

約数和(自身を含む): 1658092800

約数和(自身を除く): 1026380800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 256, 304, 320, 380, 400, 475, 500, 608, 640, 760, 800, 950, 1000, 1039, 1216, 1280, 1520, 1600, 1900, 2000, 2078, 2375, 2432, 3040, 3200, 3800, 4000, 4156, 4750, 4864, 5195, 6080, 6400, 7600, 8000, 8312, 9500, 10390, 12160, 15200, 16000, 16624, 19000, 19741, 20780, 24320, 25975, 30400, 32000, 33248, 38000, 39482, 41560, 51950, 60800, 66496, 76000, 78964, 83120, 98705, 103900, 121600, 129875, 132992, 152000, 157928, 166240, 197410, 207800, 259750, 265984, 304000, 315856, 332480, 394820, 415600, 493525, 519500, 608000, 631712, 664960, 789640, 831200, 987050, 1039000, 1263424, 1329920, 1579280, 1662400, 1974100, 2078000, 2467625, 2526848, 3158560, 3324800, 3948200, 4156000, 4935250, 5053696, 6317120, 6649600, 7896400, 8312000, 9870500, 12634240, 15792800, 16624000, 19741000, 25268480, 31585600, 33248000, 39482000, 63171200, 78964000, 126342400, 157928000, 315856000, 631712000]

約数ペア:

[(1, 631712000), (2, 315856000), (4, 157928000), (5, 126342400), (8, 78964000), (10, 63171200), (16, 39482000), (19, 33248000), (20, 31585600), (25, 25268480), (32, 19741000), (38, 16624000), (40, 15792800), (50, 12634240), (64, 9870500), (76, 8312000), (80, 7896400), (95, 6649600), (100, 6317120), (125, 5053696), (128, 4935250), (152, 4156000), (160, 3948200), (190, 3324800), (200, 3158560), (250, 2526848), (256, 2467625), (304, 2078000), (320, 1974100), (380, 1662400), (400, 1579280), (475, 1329920), (500, 1263424), (608, 1039000), (640, 987050), (760, 831200), (800, 789640), (950, 664960), (1000, 631712), (1039, 608000), (1216, 519500), (1280, 493525), (1520, 415600), (1600, 394820), (1900, 332480), (2000, 315856), (2078, 304000), (2375, 265984), (2432, 259750), (3040, 207800), (3200, 197410), (3800, 166240), (4000, 157928), (4156, 152000), (4750, 132992), (4864, 129875), (5195, 121600), (6080, 103900), (6400, 98705), (7600, 83120), (8000, 78964), (8312, 76000), (9500, 66496), (10390, 60800), (12160, 51950), (15200, 41560), (16000, 39482), (16624, 38000), (19000, 33248), (19741, 32000), (20780, 30400), (24320, 25975)]