71797740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{24421}}^1$

素因数の和:24447

約数の個数: 72

約数和(自身を含む): 233865072

約数和(自身を除く): 162067332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 24421, 48842, 73263, 97684, 122105, 146526, 170947, 244210, 293052, 341894, 366315, 488420, 512841, 683788, 732630, 854735, 1025682, 1196629, 1465260, 1709470, 2051364, 2393258, 2564205, 3418940, 3589887, 4786516, 5128410, 5983145, 7179774, 10256820, 11966290, 14359548, 17949435, 23932580, 35898870, 71797740]

約数ペア:

[(1, 71797740), (2, 35898870), (3, 23932580), (4, 17949435), (5, 14359548), (6, 11966290), (7, 10256820), (10, 7179774), (12, 5983145), (14, 5128410), (15, 4786516), (20, 3589887), (21, 3418940), (28, 2564205), (30, 2393258), (35, 2051364), (42, 1709470), (49, 1465260), (60, 1196629), (70, 1025682), (84, 854735), (98, 732630), (105, 683788), (140, 512841), (147, 488420), (196, 366315), (210, 341894), (245, 293052), (294, 244210), (420, 170947), (490, 146526), (588, 122105), (735, 97684), (980, 73263), (1470, 48842), (2940, 24421)]