68756800

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{877}}^1$

素因数の和:913

約数の個数: 126

約数和(自身を含む): 197031102

約数和(自身を除く): 128274302

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, 877, 980, 1120, 1225, 1400, 1568, 1600, 1754, 1960, 2240, 2450, 2800, 3136, 3508, 3920, 4385, 4900, 5600, 6139, 7016, 7840, 8770, 9800, 11200, 12278, 14032, 15680, 17540, 19600, 21925, 24556, 28064, 30695, 35080, 39200, 42973, 43850, 49112, 56128, 61390, 70160, 78400, 85946, 87700, 98224, 122780, 140320, 153475, 171892, 175400, 196448, 214865, 245560, 280640, 306950, 343784, 350800, 392896, 429730, 491120, 613900, 687568, 701600, 859460, 982240, 1074325, 1227800, 1375136, 1403200, 1718920, 1964480, 2148650, 2455600, 2750272, 3437840, 4297300, 4911200, 6875680, 8594600, 9822400, 13751360, 17189200, 34378400, 68756800]

約数ペア:

[(1, 68756800), (2, 34378400), (4, 17189200), (5, 13751360), (7, 9822400), (8, 8594600), (10, 6875680), (14, 4911200), (16, 4297300), (20, 3437840), (25, 2750272), (28, 2455600), (32, 2148650), (35, 1964480), (40, 1718920), (49, 1403200), (50, 1375136), (56, 1227800), (64, 1074325), (70, 982240), (80, 859460), (98, 701600), (100, 687568), (112, 613900), (140, 491120), (160, 429730), (175, 392896), (196, 350800), (200, 343784), (224, 306950), (245, 280640), (280, 245560), (320, 214865), (350, 196448), (392, 175400), (400, 171892), (448, 153475), (490, 140320), (560, 122780), (700, 98224), (784, 87700), (800, 85946), (877, 78400), (980, 70160), (1120, 61390), (1225, 56128), (1400, 49112), (1568, 43850), (1600, 42973), (1754, 39200), (1960, 35080), (2240, 30695), (2450, 28064), (2800, 24556), (3136, 21925), (3508, 19600), (3920, 17540), (4385, 15680), (4900, 14032), (5600, 12278), (6139, 11200), (7016, 9800), (7840, 8770)]