277791920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2129}}^1$

素因数の和:2382

約数の個数: 80

約数和(自身を含む): 741648960

約数和(自身を除く): 463857040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 932, 1165, 1631, 1864, 2129, 2330, 3262, 3728, 4258, 4660, 6524, 8155, 8516, 9320, 10645, 13048, 14903, 16310, 17032, 18640, 21290, 26096, 29806, 32620, 34064, 42580, 59612, 65240, 74515, 85160, 119224, 130480, 149030, 170320, 238448, 298060, 496057, 596120, 992114, 1192240, 1984228, 2480285, 3472399, 3968456, 4960570, 6944798, 7936912, 9921140, 13889596, 17361995, 19842280, 27779192, 34723990, 39684560, 55558384, 69447980, 138895960, 277791920]

約数ペア:

[(1, 277791920), (2, 138895960), (4, 69447980), (5, 55558384), (7, 39684560), (8, 34723990), (10, 27779192), (14, 19842280), (16, 17361995), (20, 13889596), (28, 9921140), (35, 7936912), (40, 6944798), (56, 4960570), (70, 3968456), (80, 3472399), (112, 2480285), (140, 1984228), (233, 1192240), (280, 992114), (466, 596120), (560, 496057), (932, 298060), (1165, 238448), (1631, 170320), (1864, 149030), (2129, 130480), (2330, 119224), (3262, 85160), (3728, 74515), (4258, 65240), (4660, 59612), (6524, 42580), (8155, 34064), (8516, 32620), (9320, 29806), (10645, 26096), (13048, 21290), (14903, 18640), (16310, 17032)]