666217728

素因数分解:

$2^8\times 3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 216

約数和(自身を含む): 2124909696

約数和(自身を除く): 1458691968

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 97, 99, 128, 132, 144, 176, 192, 194, 198, 256, 264, 271, 288, 291, 352, 384, 388, 396, 528, 542, 576, 582, 704, 768, 776, 792, 813, 873, 1056, 1067, 1084, 1152, 1164, 1408, 1552, 1584, 1626, 1746, 2112, 2134, 2168, 2304, 2328, 2439, 2816, 2981, 3104, 3168, 3201, 3252, 3492, 4224, 4268, 4336, 4656, 4878, 5962, 6208, 6336, 6402, 6504, 6984, 8448, 8536, 8672, 8943, 9312, 9603, 9756, 11924, 12416, 12672, 12804, 13008, 13968, 17072, 17344, 17886, 18624, 19206, 19512, 23848, 24832, 25344, 25608, 26016, 26287, 26829, 27936, 34144, 34688, 35772, 37248, 38412, 39024, 47696, 51216, 52032, 52574, 53658, 55872, 68288, 69376, 71544, 74496, 76824, 78048, 78861, 95392, 102432, 104064, 105148, 107316, 111744, 136576, 143088, 153648, 156096, 157722, 190784, 204864, 208128, 210296, 214632, 223488, 236583, 273152, 286176, 289157, 307296, 312192, 315444, 381568, 409728, 420592, 429264, 473166, 572352, 578314, 614592, 624384, 630888, 763136, 819456, 841184, 858528, 867471, 946332, 1144704, 1156628, 1229184, 1261776, 1682368, 1717056, 1734942, 1892664, 2289408, 2313256, 2458368, 2523552, 2602413, 3364736, 3434112, 3469884, 3785328, 4626512, 5047104, 5204826, 6729472, 6868224, 6939768, 7570656, 9253024, 10094208, 10409652, 13879536, 15141312, 18506048, 20188416, 20819304, 27759072, 30282624, 37012096, 41638608, 55518144, 60565248, 74024192, 83277216, 111036288, 166554432, 222072576, 333108864, 666217728]

約数ペア:

[(1, 666217728), (2, 333108864), (3, 222072576), (4, 166554432), (6, 111036288), (8, 83277216), (9, 74024192), (11, 60565248), (12, 55518144), (16, 41638608), (18, 37012096), (22, 30282624), (24, 27759072), (32, 20819304), (33, 20188416), (36, 18506048), (44, 15141312), (48, 13879536), (64, 10409652), (66, 10094208), (72, 9253024), (88, 7570656), (96, 6939768), (97, 6868224), (99, 6729472), (128, 5204826), (132, 5047104), (144, 4626512), (176, 3785328), (192, 3469884), (194, 3434112), (198, 3364736), (256, 2602413), (264, 2523552), (271, 2458368), (288, 2313256), (291, 2289408), (352, 1892664), (384, 1734942), (388, 1717056), (396, 1682368), (528, 1261776), (542, 1229184), (576, 1156628), (582, 1144704), (704, 946332), (768, 867471), (776, 858528), (792, 841184), (813, 819456), (873, 763136), (1056, 630888), (1067, 624384), (1084, 614592), (1152, 578314), (1164, 572352), (1408, 473166), (1552, 429264), (1584, 420592), (1626, 409728), (1746, 381568), (2112, 315444), (2134, 312192), (2168, 307296), (2304, 289157), (2328, 286176), (2439, 273152), (2816, 236583), (2981, 223488), (3104, 214632), (3168, 210296), (3201, 208128), (3252, 204864), (3492, 190784), (4224, 157722), (4268, 156096), (4336, 153648), (4656, 143088), (4878, 136576), (5962, 111744), (6208, 107316), (6336, 105148), (6402, 104064), (6504, 102432), (6984, 95392), (8448, 78861), (8536, 78048), (8672, 76824), (8943, 74496), (9312, 71544), (9603, 69376), (9756, 68288), (11924, 55872), (12416, 53658), (12672, 52574), (12804, 52032), (13008, 51216), (13968, 47696), (17072, 39024), (17344, 38412), (17886, 37248), (18624, 35772), (19206, 34688), (19512, 34144), (23848, 27936), (24832, 26829), (25344, 26287), (25608, 26016)]