128401504

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 333462528

約数和(自身を除く): 205061024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 41, 44, 56, 62, 77, 82, 88, 112, 124, 154, 164, 176, 217, 224, 248, 287, 308, 328, 341, 352, 434, 451, 496, 574, 616, 656, 682, 868, 902, 992, 1148, 1232, 1271, 1312, 1364, 1681, 1736, 1804, 2296, 2387, 2464, 2542, 2728, 3157, 3362, 3472, 3608, 4592, 4774, 5084, 5456, 6314, 6724, 6944, 7216, 8897, 9184, 9548, 10168, 10912, 11767, 12628, 13448, 13981, 14432, 17794, 18491, 19096, 20336, 23534, 25256, 26896, 27962, 35588, 36982, 38192, 40672, 47068, 50512, 52111, 53792, 55924, 71176, 73964, 76384, 94136, 97867, 101024, 104222, 111848, 129437, 142352, 147928, 188272, 195734, 208444, 223696, 258874, 284704, 295856, 364777, 376544, 391468, 416888, 447392, 517748, 573221, 591712, 729554, 782936, 833776, 1035496, 1146442, 1459108, 1565872, 1667552, 2070992, 2292884, 2918216, 3131744, 4012547, 4141984, 4585768, 5836432, 8025094, 9171536, 11672864, 16050188, 18343072, 32100376, 64200752, 128401504]

約数ペア:

[(1, 128401504), (2, 64200752), (4, 32100376), (7, 18343072), (8, 16050188), (11, 11672864), (14, 9171536), (16, 8025094), (22, 5836432), (28, 4585768), (31, 4141984), (32, 4012547), (41, 3131744), (44, 2918216), (56, 2292884), (62, 2070992), (77, 1667552), (82, 1565872), (88, 1459108), (112, 1146442), (124, 1035496), (154, 833776), (164, 782936), (176, 729554), (217, 591712), (224, 573221), (248, 517748), (287, 447392), (308, 416888), (328, 391468), (341, 376544), (352, 364777), (434, 295856), (451, 284704), (496, 258874), (574, 223696), (616, 208444), (656, 195734), (682, 188272), (868, 147928), (902, 142352), (992, 129437), (1148, 111848), (1232, 104222), (1271, 101024), (1312, 97867), (1364, 94136), (1681, 76384), (1736, 73964), (1804, 71176), (2296, 55924), (2387, 53792), (2464, 52111), (2542, 50512), (2728, 47068), (3157, 40672), (3362, 38192), (3472, 36982), (3608, 35588), (4592, 27962), (4774, 26896), (5084, 25256), (5456, 23534), (6314, 20336), (6724, 19096), (6944, 18491), (7216, 17794), (8897, 14432), (9184, 13981), (9548, 13448), (10168, 12628), (10912, 11767)]