77031680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5471}}^1$

素因数の和:5503

約数の個数: 72

約数和(自身を含む): 201325824

約数和(自身を除く): 124294144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5471, 7040, 10942, 14080, 21884, 27355, 43768, 54710, 60181, 87536, 109420, 120362, 175072, 218840, 240724, 300905, 350144, 437680, 481448, 601810, 700288, 875360, 962896, 1203620, 1400576, 1750720, 1925792, 2407240, 3501440, 3851584, 4814480, 7002880, 7703168, 9628960, 15406336, 19257920, 38515840, 77031680]

約数ペア:

[(1, 77031680), (2, 38515840), (4, 19257920), (5, 15406336), (8, 9628960), (10, 7703168), (11, 7002880), (16, 4814480), (20, 3851584), (22, 3501440), (32, 2407240), (40, 1925792), (44, 1750720), (55, 1400576), (64, 1203620), (80, 962896), (88, 875360), (110, 700288), (128, 601810), (160, 481448), (176, 437680), (220, 350144), (256, 300905), (320, 240724), (352, 218840), (440, 175072), (640, 120362), (704, 109420), (880, 87536), (1280, 60181), (1408, 54710), (1760, 43768), (2816, 27355), (3520, 21884), (5471, 14080), (7040, 10942)]