64828960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8269}}^1$

素因数の和:8298

約数の個数: 72

約数和(自身を含む): 178185420

約数和(自身を除く): 113356460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8269, 16538, 33076, 41345, 57883, 66152, 82690, 115766, 132304, 165380, 231532, 264608, 289415, 330760, 405181, 463064, 578830, 661520, 810362, 926128, 1157660, 1323040, 1620724, 1852256, 2025905, 2315320, 3241448, 4051810, 4630640, 6482896, 8103620, 9261280, 12965792, 16207240, 32414480, 64828960]

約数ペア:

[(1, 64828960), (2, 32414480), (4, 16207240), (5, 12965792), (7, 9261280), (8, 8103620), (10, 6482896), (14, 4630640), (16, 4051810), (20, 3241448), (28, 2315320), (32, 2025905), (35, 1852256), (40, 1620724), (49, 1323040), (56, 1157660), (70, 926128), (80, 810362), (98, 661520), (112, 578830), (140, 463064), (160, 405181), (196, 330760), (224, 289415), (245, 264608), (280, 231532), (392, 165380), (490, 132304), (560, 115766), (784, 82690), (980, 66152), (1120, 57883), (1568, 41345), (1960, 33076), (3920, 16538), (7840, 8269)]