2720002688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 6006282240

約数和(自身を除く): 3286279552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 127, 128, 208, 211, 244, 254, 416, 422, 488, 508, 793, 832, 844, 976, 1016, 1586, 1651, 1664, 1688, 1952, 2032, 2743, 3172, 3302, 3376, 3904, 4064, 5486, 6344, 6604, 6752, 7747, 7808, 8128, 10972, 12688, 12871, 13208, 13504, 15494, 16256, 21944, 25376, 25742, 26416, 26797, 27008, 30988, 43888, 50752, 51484, 52832, 53594, 61976, 87776, 100711, 101504, 102968, 105664, 107188, 123952, 167323, 175552, 201422, 205936, 211328, 214376, 247904, 334646, 348361, 351104, 402844, 411872, 428752, 495808, 669292, 696722, 805688, 823744, 857504, 991616, 1338584, 1393444, 1611376, 1634617, 1647488, 1715008, 2677168, 2786888, 3222752, 3269234, 3430016, 5354336, 5573776, 6445504, 6538468, 10708672, 11147552, 12891008, 13076936, 21250021, 21417344, 22295104, 26153872, 42500042, 44590208, 52307744, 85000084, 104615488, 170000168, 209230976, 340000336, 680000672, 1360001344, 2720002688]

約数ペア:

[(1, 2720002688), (2, 1360001344), (4, 680000672), (8, 340000336), (13, 209230976), (16, 170000168), (26, 104615488), (32, 85000084), (52, 52307744), (61, 44590208), (64, 42500042), (104, 26153872), (122, 22295104), (127, 21417344), (128, 21250021), (208, 13076936), (211, 12891008), (244, 11147552), (254, 10708672), (416, 6538468), (422, 6445504), (488, 5573776), (508, 5354336), (793, 3430016), (832, 3269234), (844, 3222752), (976, 2786888), (1016, 2677168), (1586, 1715008), (1651, 1647488), (1664, 1634617), (1688, 1611376), (1952, 1393444), (2032, 1338584), (2743, 991616), (3172, 857504), (3302, 823744), (3376, 805688), (3904, 696722), (4064, 669292), (5486, 495808), (6344, 428752), (6604, 411872), (6752, 402844), (7747, 351104), (7808, 348361), (8128, 334646), (10972, 247904), (12688, 214376), (12871, 211328), (13208, 205936), (13504, 201422), (15494, 175552), (16256, 167323), (21944, 123952), (25376, 107188), (25742, 105664), (26416, 102968), (26797, 101504), (27008, 100711), (30988, 87776), (43888, 61976), (50752, 53594), (51484, 52832)]