280727538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 718502400

約数和(自身を除く): 437774862

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 89, 91, 106, 109, 159, 178, 182, 218, 267, 273, 318, 327, 371, 534, 546, 623, 654, 689, 742, 763, 1113, 1157, 1246, 1378, 1417, 1526, 1869, 2067, 2226, 2289, 2314, 2834, 3471, 3738, 4134, 4251, 4578, 4717, 4823, 5777, 6942, 8099, 8502, 9434, 9646, 9701, 9919, 11554, 14151, 14469, 16198, 17331, 19402, 19838, 24297, 28302, 28938, 29103, 29757, 33019, 34662, 40439, 48594, 58206, 59514, 61321, 66038, 67907, 75101, 80878, 99057, 121317, 122642, 126113, 135814, 150202, 183963, 198114, 203721, 225303, 242634, 252226, 367926, 378339, 407442, 429247, 450606, 514153, 525707, 756678, 858494, 882791, 1028306, 1051414, 1287741, 1542459, 1577121, 1765582, 2575482, 2648373, 3084918, 3154242, 3599071, 5296746, 6683989, 7198142, 10797213, 13367978, 20051967, 21594426, 40103934, 46787923, 93575846, 140363769, 280727538]

約数ペア:

[(1, 280727538), (2, 140363769), (3, 93575846), (6, 46787923), (7, 40103934), (13, 21594426), (14, 20051967), (21, 13367978), (26, 10797213), (39, 7198142), (42, 6683989), (53, 5296746), (78, 3599071), (89, 3154242), (91, 3084918), (106, 2648373), (109, 2575482), (159, 1765582), (178, 1577121), (182, 1542459), (218, 1287741), (267, 1051414), (273, 1028306), (318, 882791), (327, 858494), (371, 756678), (534, 525707), (546, 514153), (623, 450606), (654, 429247), (689, 407442), (742, 378339), (763, 367926), (1113, 252226), (1157, 242634), (1246, 225303), (1378, 203721), (1417, 198114), (1526, 183963), (1869, 150202), (2067, 135814), (2226, 126113), (2289, 122642), (2314, 121317), (2834, 99057), (3471, 80878), (3738, 75101), (4134, 67907), (4251, 66038), (4578, 61321), (4717, 59514), (4823, 58206), (5777, 48594), (6942, 40439), (8099, 34662), (8502, 33019), (9434, 29757), (9646, 29103), (9701, 28938), (9919, 28302), (11554, 24297), (14151, 19838), (14469, 19402), (16198, 17331)]