71269520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18181}}^1$

素因数の和:18208

約数の個数: 60

約数和(自身を含む): 192765564

約数和(自身を除く): 121496044

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, 18181, 36362, 72724, 90905, 127267, 145448, 181810, 254534, 290896, 363620, 509068, 636335, 727240, 890869, 1018136, 1272670, 1454480, 1781738, 2036272, 2545340, 3563476, 4454345, 5090680, 7126952, 8908690, 10181360, 14253904, 17817380, 35634760, 71269520]

約数ペア:

[(1, 71269520), (2, 35634760), (4, 17817380), (5, 14253904), (7, 10181360), (8, 8908690), (10, 7126952), (14, 5090680), (16, 4454345), (20, 3563476), (28, 2545340), (35, 2036272), (40, 1781738), (49, 1454480), (56, 1272670), (70, 1018136), (80, 890869), (98, 727240), (112, 636335), (140, 509068), (196, 363620), (245, 290896), (280, 254534), (392, 181810), (490, 145448), (560, 127267), (784, 90905), (980, 72724), (1960, 36362), (3920, 18181)]