77881284

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 232424640

約数和(自身を除く): 154543356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 169, 204, 221, 234, 251, 306, 338, 351, 442, 459, 468, 502, 507, 612, 663, 676, 702, 753, 884, 918, 1004, 1014, 1326, 1404, 1506, 1521, 1836, 1989, 2028, 2259, 2652, 2873, 3012, 3042, 3263, 3978, 4267, 4518, 4563, 5746, 5967, 6084, 6526, 6777, 7956, 8534, 8619, 9036, 9126, 9789, 11492, 11934, 12801, 13052, 13554, 17068, 17238, 18252, 19578, 23868, 25602, 25857, 27108, 29367, 34476, 38403, 39156, 42419, 51204, 51714, 55471, 58734, 76806, 77571, 84838, 88101, 103428, 110942, 115209, 117468, 127257, 153612, 155142, 166413, 169676, 176202, 221884, 230418, 254514, 310284, 332826, 352404, 381771, 460836, 499239, 509028, 665652, 721123, 763542, 998478, 1145313, 1442246, 1497717, 1527084, 1996956, 2163369, 2290626, 2884492, 2995434, 4326738, 4581252, 5990868, 6490107, 8653476, 12980214, 19470321, 25960428, 38940642, 77881284]

約数ペア:

[(1, 77881284), (2, 38940642), (3, 25960428), (4, 19470321), (6, 12980214), (9, 8653476), (12, 6490107), (13, 5990868), (17, 4581252), (18, 4326738), (26, 2995434), (27, 2884492), (34, 2290626), (36, 2163369), (39, 1996956), (51, 1527084), (52, 1497717), (54, 1442246), (68, 1145313), (78, 998478), (102, 763542), (108, 721123), (117, 665652), (153, 509028), (156, 499239), (169, 460836), (204, 381771), (221, 352404), (234, 332826), (251, 310284), (306, 254514), (338, 230418), (351, 221884), (442, 176202), (459, 169676), (468, 166413), (502, 155142), (507, 153612), (612, 127257), (663, 117468), (676, 115209), (702, 110942), (753, 103428), (884, 88101), (918, 84838), (1004, 77571), (1014, 76806), (1326, 58734), (1404, 55471), (1506, 51714), (1521, 51204), (1836, 42419), (1989, 39156), (2028, 38403), (2259, 34476), (2652, 29367), (2873, 27108), (3012, 25857), (3042, 25602), (3263, 23868), (3978, 19578), (4267, 18252), (4518, 17238), (4563, 17068), (5746, 13554), (5967, 13052), (6084, 12801), (6526, 11934), (6777, 11492), (7956, 9789), (8534, 9126), (8619, 9036)]