305656960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{68227}}^1$

素因数の和:68253

約数の個数: 64

約数和(自身を含む): 835110720

約数和(自身を除く): 529453760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 68227, 136454, 272908, 341135, 477589, 545816, 682270, 955178, 1091632, 1364540, 1910356, 2183264, 2387945, 2729080, 3820712, 4366528, 4775890, 5458160, 7641424, 8733056, 9551780, 10916320, 15282848, 19103560, 21832640, 30565696, 38207120, 43665280, 61131392, 76414240, 152828480, 305656960]

約数ペア:

[(1, 305656960), (2, 152828480), (4, 76414240), (5, 61131392), (7, 43665280), (8, 38207120), (10, 30565696), (14, 21832640), (16, 19103560), (20, 15282848), (28, 10916320), (32, 9551780), (35, 8733056), (40, 7641424), (56, 5458160), (64, 4775890), (70, 4366528), (80, 3820712), (112, 2729080), (128, 2387945), (140, 2183264), (160, 1910356), (224, 1364540), (280, 1091632), (320, 955178), (448, 682270), (560, 545816), (640, 477589), (896, 341135), (1120, 272908), (2240, 136454), (4480, 68227)]