17731840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1979}}^1$

素因数の和:2007

約数の個数: 72

約数和(自身を含む): 48565440

約数和(自身を除く): 30833600

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 1979, 2240, 3958, 4480, 7916, 8960, 9895, 13853, 15832, 19790, 27706, 31664, 39580, 55412, 63328, 69265, 79160, 110824, 126656, 138530, 158320, 221648, 253312, 277060, 316640, 443296, 506624, 554120, 633280, 886592, 1108240, 1266560, 1773184, 2216480, 2533120, 3546368, 4432960, 8865920, 17731840]

約数ペア:

[(1, 17731840), (2, 8865920), (4, 4432960), (5, 3546368), (7, 2533120), (8, 2216480), (10, 1773184), (14, 1266560), (16, 1108240), (20, 886592), (28, 633280), (32, 554120), (35, 506624), (40, 443296), (56, 316640), (64, 277060), (70, 253312), (80, 221648), (112, 158320), (128, 138530), (140, 126656), (160, 110824), (224, 79160), (256, 69265), (280, 63328), (320, 55412), (448, 39580), (560, 31664), (640, 27706), (896, 19790), (1120, 15832), (1280, 13853), (1792, 9895), (1979, 8960), (2240, 7916), (3958, 4480)]