161788960

素因数分解:

$2^5\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1153}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 382994136

約数和(自身を除く): 221205176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 877, 1153, 1754, 2306, 3508, 4385, 4612, 5765, 7016, 8770, 9224, 11530, 14032, 17540, 18448, 23060, 28064, 35080, 36896, 46120, 70160, 92240, 140320, 184480, 1011181, 2022362, 4044724, 5055905, 8089448, 10111810, 16178896, 20223620, 32357792, 40447240, 80894480, 161788960]

約数ペア:

[(1, 161788960), (2, 80894480), (4, 40447240), (5, 32357792), (8, 20223620), (10, 16178896), (16, 10111810), (20, 8089448), (32, 5055905), (40, 4044724), (80, 2022362), (160, 1011181), (877, 184480), (1153, 140320), (1754, 92240), (2306, 70160), (3508, 46120), (4385, 36896), (4612, 35080), (5765, 28064), (7016, 23060), (8770, 18448), (9224, 17540), (11530, 14032)]