27556760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 80870400

約数和(自身を除く): 53313640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 389, 440, 460, 506, 616, 644, 770, 778, 805, 920, 1012, 1265, 1288, 1540, 1556, 1610, 1771, 1945, 2024, 2530, 2723, 3080, 3112, 3220, 3542, 3890, 4279, 5060, 5446, 6440, 7084, 7780, 8558, 8855, 8947, 10120, 10892, 13615, 14168, 15560, 17116, 17710, 17894, 21395, 21784, 27230, 29953, 34232, 35420, 35788, 42790, 44735, 54460, 59906, 62629, 70840, 71576, 85580, 89470, 98417, 108920, 119812, 125258, 149765, 171160, 178940, 196834, 239624, 250516, 299530, 313145, 357880, 393668, 492085, 501032, 599060, 626290, 688919, 787336, 984170, 1198120, 1252580, 1377838, 1968340, 2505160, 2755676, 3444595, 3936680, 5511352, 6889190, 13778380, 27556760]

約数ペア:

[(1, 27556760), (2, 13778380), (4, 6889190), (5, 5511352), (7, 3936680), (8, 3444595), (10, 2755676), (11, 2505160), (14, 1968340), (20, 1377838), (22, 1252580), (23, 1198120), (28, 984170), (35, 787336), (40, 688919), (44, 626290), (46, 599060), (55, 501032), (56, 492085), (70, 393668), (77, 357880), (88, 313145), (92, 299530), (110, 250516), (115, 239624), (140, 196834), (154, 178940), (161, 171160), (184, 149765), (220, 125258), (230, 119812), (253, 108920), (280, 98417), (308, 89470), (322, 85580), (385, 71576), (389, 70840), (440, 62629), (460, 59906), (506, 54460), (616, 44735), (644, 42790), (770, 35788), (778, 35420), (805, 34232), (920, 29953), (1012, 27230), (1265, 21784), (1288, 21395), (1540, 17894), (1556, 17710), (1610, 17116), (1771, 15560), (1945, 14168), (2024, 13615), (2530, 10892), (2723, 10120), (3080, 8947), (3112, 8855), (3220, 8558), (3542, 7780), (3890, 7084), (4279, 6440), (5060, 5446)]