81876816

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1953

約数の個数: 120

約数和(自身を含む): 268107840

約数和(自身を除く): 186231024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 56, 63, 72, 84, 86, 112, 126, 129, 144, 168, 172, 252, 258, 301, 336, 344, 387, 504, 516, 602, 688, 774, 903, 1008, 1032, 1204, 1548, 1806, 1889, 2064, 2408, 2709, 3096, 3612, 3778, 4816, 5418, 5667, 6192, 7224, 7556, 10836, 11334, 13223, 14448, 15112, 17001, 21672, 22668, 26446, 30224, 34002, 39669, 43344, 45336, 52892, 68004, 79338, 81227, 90672, 105784, 119007, 136008, 158676, 162454, 211568, 238014, 243681, 272016, 317352, 324908, 476028, 487362, 568589, 634704, 649816, 731043, 952056, 974724, 1137178, 1299632, 1462086, 1705767, 1904112, 1949448, 2274356, 2924172, 3411534, 3898896, 4548712, 5117301, 5848344, 6823068, 9097424, 10234602, 11696688, 13646136, 20469204, 27292272, 40938408, 81876816]

約数ペア:

[(1, 81876816), (2, 40938408), (3, 27292272), (4, 20469204), (6, 13646136), (7, 11696688), (8, 10234602), (9, 9097424), (12, 6823068), (14, 5848344), (16, 5117301), (18, 4548712), (21, 3898896), (24, 3411534), (28, 2924172), (36, 2274356), (42, 1949448), (43, 1904112), (48, 1705767), (56, 1462086), (63, 1299632), (72, 1137178), (84, 974724), (86, 952056), (112, 731043), (126, 649816), (129, 634704), (144, 568589), (168, 487362), (172, 476028), (252, 324908), (258, 317352), (301, 272016), (336, 243681), (344, 238014), (387, 211568), (504, 162454), (516, 158676), (602, 136008), (688, 119007), (774, 105784), (903, 90672), (1008, 81227), (1032, 79338), (1204, 68004), (1548, 52892), (1806, 45336), (1889, 43344), (2064, 39669), (2408, 34002), (2709, 30224), (3096, 26446), (3612, 22668), (3778, 21672), (4816, 17001), (5418, 15112), (5667, 14448), (6192, 13223), (7224, 11334), (7556, 10836)]