80746400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{14419}}^1$

素因数の和:14446

約数の個数: 72

約数和(自身を含む): 225298080

約数和(自身を除く): 144551680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 14419, 28838, 57676, 72095, 100933, 115352, 144190, 201866, 230704, 288380, 360475, 403732, 461408, 504665, 576760, 720950, 807464, 1009330, 1153520, 1441900, 1614928, 2018660, 2307040, 2523325, 2883800, 3229856, 4037320, 5046650, 5767600, 8074640, 10093300, 11535200, 16149280, 20186600, 40373200, 80746400]

約数ペア:

[(1, 80746400), (2, 40373200), (4, 20186600), (5, 16149280), (7, 11535200), (8, 10093300), (10, 8074640), (14, 5767600), (16, 5046650), (20, 4037320), (25, 3229856), (28, 2883800), (32, 2523325), (35, 2307040), (40, 2018660), (50, 1614928), (56, 1441900), (70, 1153520), (80, 1009330), (100, 807464), (112, 720950), (140, 576760), (160, 504665), (175, 461408), (200, 403732), (224, 360475), (280, 288380), (350, 230704), (400, 201866), (560, 144190), (700, 115352), (800, 100933), (1120, 72095), (1400, 57676), (2800, 28838), (5600, 14419)]