256460688

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1918

約数の個数: 160

約数和(自身を含む): 831196800

約数和(自身を除く): 574736112

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 29, 33, 36, 44, 48, 54, 58, 66, 72, 87, 88, 99, 108, 116, 132, 144, 174, 176, 198, 216, 232, 261, 264, 297, 319, 348, 396, 432, 464, 522, 528, 594, 638, 696, 783, 792, 957, 1044, 1188, 1276, 1392, 1566, 1584, 1861, 1914, 2088, 2376, 2552, 2871, 3132, 3722, 3828, 4176, 4752, 5104, 5583, 5742, 6264, 7444, 7656, 8613, 11166, 11484, 12528, 14888, 15312, 16749, 17226, 20471, 22332, 22968, 29776, 33498, 34452, 40942, 44664, 45936, 50247, 53969, 61413, 66996, 68904, 81884, 89328, 100494, 107938, 122826, 133992, 137808, 161907, 163768, 184239, 200988, 215876, 245652, 267984, 323814, 327536, 368478, 401976, 431752, 485721, 491304, 552717, 593659, 647628, 736956, 803952, 863504, 971442, 982608, 1105434, 1187318, 1295256, 1457163, 1473912, 1780977, 1942884, 2210868, 2374636, 2590512, 2914326, 2947824, 3561954, 3885768, 4421736, 4749272, 5342931, 5828652, 7123908, 7771536, 8843472, 9498544, 10685862, 11657304, 14247816, 16028793, 21371724, 23314608, 28495632, 32057586, 42743448, 64115172, 85486896, 128230344, 256460688]

約数ペア:

[(1, 256460688), (2, 128230344), (3, 85486896), (4, 64115172), (6, 42743448), (8, 32057586), (9, 28495632), (11, 23314608), (12, 21371724), (16, 16028793), (18, 14247816), (22, 11657304), (24, 10685862), (27, 9498544), (29, 8843472), (33, 7771536), (36, 7123908), (44, 5828652), (48, 5342931), (54, 4749272), (58, 4421736), (66, 3885768), (72, 3561954), (87, 2947824), (88, 2914326), (99, 2590512), (108, 2374636), (116, 2210868), (132, 1942884), (144, 1780977), (174, 1473912), (176, 1457163), (198, 1295256), (216, 1187318), (232, 1105434), (261, 982608), (264, 971442), (297, 863504), (319, 803952), (348, 736956), (396, 647628), (432, 593659), (464, 552717), (522, 491304), (528, 485721), (594, 431752), (638, 401976), (696, 368478), (783, 327536), (792, 323814), (957, 267984), (1044, 245652), (1188, 215876), (1276, 200988), (1392, 184239), (1566, 163768), (1584, 161907), (1861, 137808), (1914, 133992), (2088, 122826), (2376, 107938), (2552, 100494), (2871, 89328), (3132, 81884), (3722, 68904), (3828, 66996), (4176, 61413), (4752, 53969), (5104, 50247), (5583, 45936), (5742, 44664), (6264, 40942), (7444, 34452), (7656, 33498), (8613, 29776), (11166, 22968), (11484, 22332), (12528, 20471), (14888, 17226), (15312, 16749)]