1229125520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{95429}}^1$

素因数の和:95472

約数の個数: 80

約数和(自身を含む): 3407996160

約数和(自身を除く): 2178870640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 95429, 190858, 381716, 477145, 668003, 763432, 954290, 1336006, 1526864, 1908580, 2194867, 2672012, 3340015, 3817160, 4389734, 5344024, 6680030, 7634320, 8779468, 10688048, 10974335, 13360060, 15364069, 17558936, 21948670, 26720120, 30728138, 35117872, 43897340, 53440240, 61456276, 76820345, 87794680, 122912552, 153640690, 175589360, 245825104, 307281380, 614562760, 1229125520]

約数ペア:

[(1, 1229125520), (2, 614562760), (4, 307281380), (5, 245825104), (7, 175589360), (8, 153640690), (10, 122912552), (14, 87794680), (16, 76820345), (20, 61456276), (23, 53440240), (28, 43897340), (35, 35117872), (40, 30728138), (46, 26720120), (56, 21948670), (70, 17558936), (80, 15364069), (92, 13360060), (112, 10974335), (115, 10688048), (140, 8779468), (161, 7634320), (184, 6680030), (230, 5344024), (280, 4389734), (322, 3817160), (368, 3340015), (460, 2672012), (560, 2194867), (644, 1908580), (805, 1526864), (920, 1336006), (1288, 954290), (1610, 763432), (1840, 668003), (2576, 477145), (3220, 381716), (6440, 190858), (12880, 95429)]