71849680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18329}}^1$

素因数の和:18356

約数の個数: 60

約数和(自身を含む): 194334660

約数和(自身を除く): 122484980

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18329, 36658, 73316, 91645, 128303, 146632, 183290, 256606, 293264, 366580, 513212, 641515, 733160, 898121, 1026424, 1283030, 1466320, 1796242, 2052848, 2566060, 3592484, 4490605, 5132120, 7184968, 8981210, 10264240, 14369936, 17962420, 35924840, 71849680]

約数ペア:

[(1, 71849680), (2, 35924840), (4, 17962420), (5, 14369936), (7, 10264240), (8, 8981210), (10, 7184968), (14, 5132120), (16, 4490605), (20, 3592484), (28, 2566060), (35, 2052848), (40, 1796242), (49, 1466320), (56, 1283030), (70, 1026424), (80, 898121), (98, 733160), (112, 641515), (140, 513212), (196, 366580), (245, 293264), (280, 256606), (392, 183290), (490, 146632), (560, 128303), (784, 91645), (980, 73316), (1960, 36658), (3920, 18329)]