131292920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1667}}^1$

素因数の和:1868

約数の個数: 64

約数和(自身を含む): 324259200

約数和(自身を除く): 192966280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1432, 1667, 1790, 1969, 3334, 3580, 3938, 6668, 7160, 7876, 8335, 9845, 13336, 15752, 16670, 18337, 19690, 33340, 36674, 39380, 66680, 73348, 78760, 91685, 146696, 183370, 298393, 366740, 596786, 733480, 1193572, 1491965, 2387144, 2983930, 3282323, 5967860, 6564646, 11935720, 13129292, 16411615, 26258584, 32823230, 65646460, 131292920]

約数ペア:

[(1, 131292920), (2, 65646460), (4, 32823230), (5, 26258584), (8, 16411615), (10, 13129292), (11, 11935720), (20, 6564646), (22, 5967860), (40, 3282323), (44, 2983930), (55, 2387144), (88, 1491965), (110, 1193572), (179, 733480), (220, 596786), (358, 366740), (440, 298393), (716, 183370), (895, 146696), (1432, 91685), (1667, 78760), (1790, 73348), (1969, 66680), (3334, 39380), (3580, 36674), (3938, 33340), (6668, 19690), (7160, 18337), (7876, 16670), (8335, 15752), (9845, 13336)]