78510880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70099}}^1$

素因数の和:70121

約数の個数: 48

約数和(自身を含む): 211982400

約数和(自身を除く): 133471520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70099, 140198, 280396, 350495, 490693, 560792, 700990, 981386, 1121584, 1401980, 1962772, 2243168, 2453465, 2803960, 3925544, 4906930, 5607920, 7851088, 9813860, 11215840, 15702176, 19627720, 39255440, 78510880]

約数ペア:

[(1, 78510880), (2, 39255440), (4, 19627720), (5, 15702176), (7, 11215840), (8, 9813860), (10, 7851088), (14, 5607920), (16, 4906930), (20, 3925544), (28, 2803960), (32, 2453465), (35, 2243168), (40, 1962772), (56, 1401980), (70, 1121584), (80, 981386), (112, 700990), (140, 560792), (160, 490693), (224, 350495), (280, 280396), (560, 140198), (1120, 70099)]