1681525944

素因数分解:

$2^3\times 3^2\times 7^4\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 5426993520

約数和(自身を除く): 3745467576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 71, 72, 84, 98, 126, 137, 142, 147, 168, 196, 213, 252, 274, 284, 294, 343, 392, 411, 426, 441, 497, 504, 548, 568, 588, 639, 686, 822, 852, 882, 959, 994, 1029, 1096, 1176, 1233, 1278, 1372, 1491, 1644, 1704, 1764, 1918, 1988, 2058, 2401, 2466, 2556, 2744, 2877, 2982, 3087, 3288, 3479, 3528, 3836, 3976, 4116, 4473, 4802, 4932, 5112, 5754, 5964, 6174, 6713, 6958, 7203, 7672, 8232, 8631, 8946, 9604, 9727, 9864, 10437, 11508, 11928, 12348, 13426, 13916, 14406, 17262, 17892, 19208, 19454, 20139, 20874, 21609, 23016, 24353, 24696, 26852, 27832, 28812, 29181, 31311, 34524, 35784, 38908, 40278, 41748, 43218, 46991, 48706, 53704, 57624, 58362, 60417, 62622, 68089, 69048, 73059, 77816, 80556, 83496, 86436, 87543, 93982, 97412, 116724, 120834, 125244, 136178, 140973, 146118, 161112, 170471, 172872, 175086, 187964, 194824, 204267, 219177, 233448, 241668, 250488, 272356, 281946, 292236, 328937, 340942, 350172, 375928, 408534, 422919, 438354, 476623, 483336, 511413, 544712, 563892, 584472, 612801, 657874, 681884, 700344, 817068, 845838, 876708, 953246, 986811, 1022826, 1127784, 1225602, 1315748, 1363768, 1429869, 1534239, 1634136, 1691676, 1753416, 1906492, 1973622, 2045652, 2451204, 2631496, 2859738, 2960433, 3068478, 3336361, 3383352, 3812984, 3947244, 4091304, 4289607, 4902408, 5719476, 5920866, 6136956, 6672722, 7894488, 8579214, 10009083, 11438952, 11841732, 12273912, 13345444, 17158428, 20018166, 23354527, 23683464, 26690888, 30027249, 34316856, 40036332, 46709054, 60054498, 70063581, 80072664, 93418108, 120108996, 140127162, 186836216, 210190743, 240217992, 280254324, 420381486, 560508648, 840762972, 1681525944]

約数ペア:

[(1, 1681525944), (2, 840762972), (3, 560508648), (4, 420381486), (6, 280254324), (7, 240217992), (8, 210190743), (9, 186836216), (12, 140127162), (14, 120108996), (18, 93418108), (21, 80072664), (24, 70063581), (28, 60054498), (36, 46709054), (42, 40036332), (49, 34316856), (56, 30027249), (63, 26690888), (71, 23683464), (72, 23354527), (84, 20018166), (98, 17158428), (126, 13345444), (137, 12273912), (142, 11841732), (147, 11438952), (168, 10009083), (196, 8579214), (213, 7894488), (252, 6672722), (274, 6136956), (284, 5920866), (294, 5719476), (343, 4902408), (392, 4289607), (411, 4091304), (426, 3947244), (441, 3812984), (497, 3383352), (504, 3336361), (548, 3068478), (568, 2960433), (588, 2859738), (639, 2631496), (686, 2451204), (822, 2045652), (852, 1973622), (882, 1906492), (959, 1753416), (994, 1691676), (1029, 1634136), (1096, 1534239), (1176, 1429869), (1233, 1363768), (1278, 1315748), (1372, 1225602), (1491, 1127784), (1644, 1022826), (1704, 986811), (1764, 953246), (1918, 876708), (1988, 845838), (2058, 817068), (2401, 700344), (2466, 681884), (2556, 657874), (2744, 612801), (2877, 584472), (2982, 563892), (3087, 544712), (3288, 511413), (3479, 483336), (3528, 476623), (3836, 438354), (3976, 422919), (4116, 408534), (4473, 375928), (4802, 350172), (4932, 340942), (5112, 328937), (5754, 292236), (5964, 281946), (6174, 272356), (6713, 250488), (6958, 241668), (7203, 233448), (7672, 219177), (8232, 204267), (8631, 194824), (8946, 187964), (9604, 175086), (9727, 172872), (9864, 170471), (10437, 161112), (11508, 146118), (11928, 140973), (12348, 136178), (13426, 125244), (13916, 120834), (14406, 116724), (17262, 97412), (17892, 93982), (19208, 87543), (19454, 86436), (20139, 83496), (20874, 80556), (21609, 77816), (23016, 73059), (24353, 69048), (24696, 68089), (26852, 62622), (27832, 60417), (28812, 58362), (29181, 57624), (31311, 53704), (34524, 48706), (35784, 46991), (38908, 43218), (40278, 41748)]