215545260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{513203}}^1$

素因数の和:513222

約数の個数: 48

約数和(自身を含む): 689746176

約数和(自身を除く): 474200916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 513203, 1026406, 1539609, 2052812, 2566015, 3079218, 3592421, 5132030, 6158436, 7184842, 7698045, 10264060, 10777263, 14369684, 15396090, 17962105, 21554526, 30792180, 35924210, 43109052, 53886315, 71848420, 107772630, 215545260]

約数ペア:

[(1, 215545260), (2, 107772630), (3, 71848420), (4, 53886315), (5, 43109052), (6, 35924210), (7, 30792180), (10, 21554526), (12, 17962105), (14, 15396090), (15, 14369684), (20, 10777263), (21, 10264060), (28, 7698045), (30, 7184842), (35, 6158436), (42, 5132030), (60, 3592421), (70, 3079218), (84, 2566015), (105, 2052812), (140, 1539609), (210, 1026406), (420, 513203)]